Home / 186,545.66-279,778.59-53,390.16

Finding the Fourth Proportional to 186,545.66, 279,778.59 and 53,390.16

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Solution

The fourth proportional to 186,545.66, 279,778.59 and 53,390.16 is: 80,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,545.66 : 279,778.59 = 53,390.16 : x
  2. Step 2: Convert to fraction form
    186,545.66/279,778.59 = 53,390.16/x
  3. Step 3: Cross multiply
    186,545.66x = 279,778.59 × 53,390.16
  4. Step 4: Simplify right side
    186,545.66x = 14,937,423,684.67
  5. Step 5: Solve for x
    x = 14,937,423,684.67/186,545.66
  6. Step 6: Final answer
    x = 80,073.82

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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.