Home / 127,533.66-191,307.26-38,780.34

Finding the Fourth Proportional to 127,533.66, 191,307.26 and 38,780.34

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Solution

The fourth proportional to 127,533.66, 191,307.26 and 38,780.34 is: 58,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,533.66 : 191,307.26 = 38,780.34 : x
  2. Step 2: Convert to fraction form
    127,533.66/191,307.26 = 38,780.34/x
  3. Step 3: Cross multiply
    127,533.66x = 191,307.26 × 38,780.34
  4. Step 4: Simplify right side
    127,533.66x = 7,418,960,587.27
  5. Step 5: Solve for x
    x = 7,418,960,587.27/127,533.66
  6. Step 6: Final answer
    x = 58,172.57

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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.