Home / 186,733.10-279,808.05-156,989.90

Finding the Fourth Proportional to 186,733.10, 279,808.05 and 156,989.90

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Solution

The fourth proportional to 186,733.10, 279,808.05 and 156,989.90 is: 235,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,733.10 : 279,808.05 = 156,989.90 : x
  2. Step 2: Convert to fraction form
    186,733.10/279,808.05 = 156,989.90/x
  3. Step 3: Cross multiply
    186,733.10x = 279,808.05 × 156,989.90
  4. Step 4: Simplify right side
    186,733.10x = 43,927,037,788.70
  5. Step 5: Solve for x
    x = 43,927,037,788.70/186,733.10
  6. Step 6: Final answer
    x = 235,239.70

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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.