Home / 121,657.13-167,887.17-67,944.17

Finding the Fourth Proportional to 121,657.13, 167,887.17 and 67,944.17

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Solution

The fourth proportional to 121,657.13, 167,887.17 and 67,944.17 is: 93,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,657.13 : 167,887.17 = 67,944.17 : x
  2. Step 2: Convert to fraction form
    121,657.13/167,887.17 = 67,944.17/x
  3. Step 3: Cross multiply
    121,657.13x = 167,887.17 × 67,944.17
  4. Step 4: Simplify right side
    121,657.13x = 11,406,953,579.86
  5. Step 5: Solve for x
    x = 11,406,953,579.86/121,657.13
  6. Step 6: Final answer
    x = 93,763.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.