Home / 155,981.20-233,856.60-62,438.80

Finding the Fourth Proportional to 155,981.20, 233,856.60 and 62,438.80

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Solution

The fourth proportional to 155,981.20, 233,856.60 and 62,438.80 is: 93,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,981.20 : 233,856.60 = 62,438.80 : x
  2. Step 2: Convert to fraction form
    155,981.20/233,856.60 = 62,438.80/x
  3. Step 3: Cross multiply
    155,981.20x = 233,856.60 × 62,438.80
  4. Step 4: Simplify right side
    155,981.20x = 14,601,725,476.08
  5. Step 5: Solve for x
    x = 14,601,725,476.08/155,981.20
  6. Step 6: Final answer
    x = 93,612.09

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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.