Home / 175,436.10-242,087.85-98,930.66

Finding the Fourth Proportional to 175,436.10, 242,087.85 and 98,930.66

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Solution

The fourth proportional to 175,436.10, 242,087.85 and 98,930.66 is: 136,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,436.10 : 242,087.85 = 98,930.66 : x
  2. Step 2: Convert to fraction form
    175,436.10/242,087.85 = 98,930.66/x
  3. Step 3: Cross multiply
    175,436.10x = 242,087.85 × 98,930.66
  4. Step 4: Simplify right side
    175,436.10x = 23,949,909,568.04
  5. Step 5: Solve for x
    x = 23,949,909,568.04/175,436.10
  6. Step 6: Final answer
    x = 136,516.43

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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.