Home / 155,246.10-232,869.15-55,518.90

Finding the Fourth Proportional to 155,246.10, 232,869.15 and 55,518.90

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Solution

The fourth proportional to 155,246.10, 232,869.15 and 55,518.90 is: 83,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,246.10 : 232,869.15 = 55,518.90 : x
  2. Step 2: Convert to fraction form
    155,246.10/232,869.15 = 55,518.90/x
  3. Step 3: Cross multiply
    155,246.10x = 232,869.15 × 55,518.90
  4. Step 4: Simplify right side
    155,246.10x = 12,928,639,051.94
  5. Step 5: Solve for x
    x = 12,928,639,051.94/155,246.10
  6. Step 6: Final answer
    x = 83,278.35

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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.