Home / 155,027.66-232,565.85-66,281.63

Finding the Fourth Proportional to 155,027.66, 232,565.85 and 66,281.63

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Solution

The fourth proportional to 155,027.66, 232,565.85 and 66,281.63 is: 99,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,027.66 : 232,565.85 = 66,281.63 : x
  2. Step 2: Convert to fraction form
    155,027.66/232,565.85 = 66,281.63/x
  3. Step 3: Cross multiply
    155,027.66x = 232,565.85 × 66,281.63
  4. Step 4: Simplify right side
    155,027.66x = 15,414,842,457.51
  5. Step 5: Solve for x
    x = 15,414,842,457.51/155,027.66
  6. Step 6: Final answer
    x = 99,432.86

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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.