Home / 176,385.22-243,403.32-99,902.50

Finding the Fourth Proportional to 176,385.22, 243,403.32 and 99,902.50

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Solution

The fourth proportional to 176,385.22, 243,403.32 and 99,902.50 is: 137,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,385.22 : 243,403.32 = 99,902.50 : x
  2. Step 2: Convert to fraction form
    176,385.22/243,403.32 = 99,902.50/x
  3. Step 3: Cross multiply
    176,385.22x = 243,403.32 × 99,902.50
  4. Step 4: Simplify right side
    176,385.22x = 24,316,600,176.30
  5. Step 5: Solve for x
    x = 24,316,600,176.30/176,385.22
  6. Step 6: Final answer
    x = 137,860.76

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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.