Home / 159,821.12-239,657.52-93,280.48

Finding the Fourth Proportional to 159,821.12, 239,657.52 and 93,280.48

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Solution

The fourth proportional to 159,821.12, 239,657.52 and 93,280.48 is: 139,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,821.12 : 239,657.52 = 93,280.48 : x
  2. Step 2: Convert to fraction form
    159,821.12/239,657.52 = 93,280.48/x
  3. Step 3: Cross multiply
    159,821.12x = 239,657.52 × 93,280.48
  4. Step 4: Simplify right side
    159,821.12x = 22,355,368,501.21
  5. Step 5: Solve for x
    x = 22,355,368,501.21/159,821.12
  6. Step 6: Final answer
    x = 139,877.44

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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.