Home / 175,434.12-242,036.10-99,938.88

Finding the Fourth Proportional to 175,434.12, 242,036.10 and 99,938.88

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Solution

The fourth proportional to 175,434.12, 242,036.10 and 99,938.88 is: 137,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,434.12 : 242,036.10 = 99,938.88 : x
  2. Step 2: Convert to fraction form
    175,434.12/242,036.10 = 99,938.88/x
  3. Step 3: Cross multiply
    175,434.12x = 242,036.10 × 99,938.88
  4. Step 4: Simplify right side
    175,434.12x = 24,188,816,753.57
  5. Step 5: Solve for x
    x = 24,188,816,753.57/175,434.12
  6. Step 6: Final answer
    x = 137,879.77

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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.