Home / 186,988.50-280,285.92-112,149.36

Finding the Fourth Proportional to 186,988.50, 280,285.92 and 112,149.36

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Solution

The fourth proportional to 186,988.50, 280,285.92 and 112,149.36 is: 168,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,988.50 : 280,285.92 = 112,149.36 : x
  2. Step 2: Convert to fraction form
    186,988.50/280,285.92 = 112,149.36/x
  3. Step 3: Cross multiply
    186,988.50x = 280,285.92 × 112,149.36
  4. Step 4: Simplify right side
    186,988.50x = 31,433,886,545.01
  5. Step 5: Solve for x
    x = 31,433,886,545.01/186,988.50
  6. Step 6: Final answer
    x = 168,105.99

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1.5x scale

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.