Home / 176,426.13-243,414.45-99,933.09

Finding the Fourth Proportional to 176,426.13, 243,414.45 and 99,933.09

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Solution

The fourth proportional to 176,426.13, 243,414.45 and 99,933.09 is: 137,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,426.13 : 243,414.45 = 99,933.09 : x
  2. Step 2: Convert to fraction form
    176,426.13/243,414.45 = 99,933.09/x
  3. Step 3: Cross multiply
    176,426.13x = 243,414.45 × 99,933.09
  4. Step 4: Simplify right side
    176,426.13x = 24,325,158,139.15
  5. Step 5: Solve for x
    x = 24,325,158,139.15/176,426.13
  6. Step 6: Final answer
    x = 137,877.30

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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.