Home / 186,545.60-279,818.40-102,564.80

Finding the Fourth Proportional to 186,545.60, 279,818.40 and 102,564.80

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Solution

The fourth proportional to 186,545.60, 279,818.40 and 102,564.80 is: 153,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,545.60 : 279,818.40 = 102,564.80 : x
  2. Step 2: Convert to fraction form
    186,545.60/279,818.40 = 102,564.80/x
  3. Step 3: Cross multiply
    186,545.60x = 279,818.40 × 102,564.80
  4. Step 4: Simplify right side
    186,545.60x = 28,699,518,232.32
  5. Step 5: Solve for x
    x = 28,699,518,232.32/186,545.60
  6. Step 6: Final answer
    x = 153,847.20

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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.