Home / 186,070.57-279,105.93-45,829.20

Finding the Fourth Proportional to 186,070.57, 279,105.93 and 45,829.20

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Solution

The fourth proportional to 186,070.57, 279,105.93 and 45,829.20 is: 68,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,070.57 : 279,105.93 = 45,829.20 : x
  2. Step 2: Convert to fraction form
    186,070.57/279,105.93 = 45,829.20/x
  3. Step 3: Cross multiply
    186,070.57x = 279,105.93 × 45,829.20
  4. Step 4: Simplify right side
    186,070.57x = 12,791,201,487.16
  5. Step 5: Solve for x
    x = 12,791,201,487.16/186,070.57
  6. Step 6: Final answer
    x = 68,743.82

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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.