Home / 155,443.32-233,140.11-55,584.90

Finding the Fourth Proportional to 155,443.32, 233,140.11 and 55,584.90

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Solution

The fourth proportional to 155,443.32, 233,140.11 and 55,584.90 is: 83,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,443.32 : 233,140.11 = 55,584.90 : x
  2. Step 2: Convert to fraction form
    155,443.32/233,140.11 = 55,584.90/x
  3. Step 3: Cross multiply
    155,443.32x = 233,140.11 × 55,584.90
  4. Step 4: Simplify right side
    155,443.32x = 12,959,069,700.34
  5. Step 5: Solve for x
    x = 12,959,069,700.34/155,443.32
  6. Step 6: Final answer
    x = 83,368.46

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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.