Home / 127,538.10-191,307.15-32,768.10

Finding the Fourth Proportional to 127,538.10, 191,307.15 and 32,768.10

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Solution

The fourth proportional to 127,538.10, 191,307.15 and 32,768.10 is: 49,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,538.10 : 191,307.15 = 32,768.10 : x
  2. Step 2: Convert to fraction form
    127,538.10/191,307.15 = 32,768.10/x
  3. Step 3: Cross multiply
    127,538.10x = 191,307.15 × 32,768.10
  4. Step 4: Simplify right side
    127,538.10x = 6,268,771,821.92
  5. Step 5: Solve for x
    x = 6,268,771,821.92/127,538.10
  6. Step 6: Final answer
    x = 49,152.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.