Home / 176,431.53-243,421.85-99,938.46

Finding the Fourth Proportional to 176,431.53, 243,421.85 and 99,938.46

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Solution

The fourth proportional to 176,431.53, 243,421.85 and 99,938.46 is: 137,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,431.53 : 243,421.85 = 99,938.46 : x
  2. Step 2: Convert to fraction form
    176,431.53/243,421.85 = 99,938.46/x
  3. Step 3: Cross multiply
    176,431.53x = 243,421.85 × 99,938.46
  4. Step 4: Simplify right side
    176,431.53x = 24,327,204,319.66
  5. Step 5: Solve for x
    x = 24,327,204,319.66/176,431.53
  6. Step 6: Final answer
    x = 137,884.68

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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.