Home / 133,359.10-200,038.65-112,363.90

Finding the Fourth Proportional to 133,359.10, 200,038.65 and 112,363.90

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Solution

The fourth proportional to 133,359.10, 200,038.65 and 112,363.90 is: 168,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,359.10 : 200,038.65 = 112,363.90 : x
  2. Step 2: Convert to fraction form
    133,359.10/200,038.65 = 112,363.90/x
  3. Step 3: Cross multiply
    133,359.10x = 200,038.65 × 112,363.90
  4. Step 4: Simplify right side
    133,359.10x = 22,477,122,864.74
  5. Step 5: Solve for x
    x = 22,477,122,864.74/133,359.10
  6. Step 6: Final answer
    x = 168,545.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.