Home / 127,851.40-191,776.83-34,357.15

Finding the Fourth Proportional to 127,851.40, 191,776.83 and 34,357.15

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Solution

The fourth proportional to 127,851.40, 191,776.83 and 34,357.15 is: 51,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,851.40 : 191,776.83 = 34,357.15 : x
  2. Step 2: Convert to fraction form
    127,851.40/191,776.83 = 34,357.15/x
  3. Step 3: Cross multiply
    127,851.40x = 191,776.83 × 34,357.15
  4. Step 4: Simplify right side
    127,851.40x = 6,588,905,314.83
  5. Step 5: Solve for x
    x = 6,588,905,314.83/127,851.40
  6. Step 6: Final answer
    x = 51,535.65

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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.