Home / 155,026.16-232,563.60-66,280.13

Finding the Fourth Proportional to 155,026.16, 232,563.60 and 66,280.13

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Solution

The fourth proportional to 155,026.16, 232,563.60 and 66,280.13 is: 99,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,026.16 : 232,563.60 = 66,280.13 : x
  2. Step 2: Convert to fraction form
    155,026.16/232,563.60 = 66,280.13/x
  3. Step 3: Cross multiply
    155,026.16x = 232,563.60 × 66,280.13
  4. Step 4: Simplify right side
    155,026.16x = 15,414,344,478.45
  5. Step 5: Solve for x
    x = 15,414,344,478.45/155,026.16
  6. Step 6: Final answer
    x = 99,430.61

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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.