Home / 235,581.60-353,545.20-156,669.60

Finding the Fourth Proportional to 235,581.60, 353,545.20 and 156,669.60

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Solution

The fourth proportional to 235,581.60, 353,545.20 and 156,669.60 is: 235,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,581.60 : 353,545.20 = 156,669.60 : x
  2. Step 2: Convert to fraction form
    235,581.60/353,545.20 = 156,669.60/x
  3. Step 3: Cross multiply
    235,581.60x = 353,545.20 × 156,669.60
  4. Step 4: Simplify right side
    235,581.60x = 55,389,785,065.92
  5. Step 5: Solve for x
    x = 55,389,785,065.92/235,581.60
  6. Step 6: Final answer
    x = 235,119.32

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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.