Home / 127,645.17-191,453.14-34,158.21

Finding the Fourth Proportional to 127,645.17, 191,453.14 and 34,158.21

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Solution

The fourth proportional to 127,645.17, 191,453.14 and 34,158.21 is: 51,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,645.17 : 191,453.14 = 34,158.21 : x
  2. Step 2: Convert to fraction form
    127,645.17/191,453.14 = 34,158.21/x
  3. Step 3: Cross multiply
    127,645.17x = 191,453.14 × 34,158.21
  4. Step 4: Simplify right side
    127,645.17x = 6,539,696,561.28
  5. Step 5: Solve for x
    x = 6,539,696,561.28/127,645.17
  6. Step 6: Final answer
    x = 51,233.40

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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.