Home / 155,257.80-232,886.70-149,134.20

Finding the Fourth Proportional to 155,257.80, 232,886.70 and 149,134.20

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Solution

The fourth proportional to 155,257.80, 232,886.70 and 149,134.20 is: 223,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,257.80 : 232,886.70 = 149,134.20 : x
  2. Step 2: Convert to fraction form
    155,257.80/232,886.70 = 149,134.20/x
  3. Step 3: Cross multiply
    155,257.80x = 232,886.70 × 149,134.20
  4. Step 4: Simplify right side
    155,257.80x = 34,731,371,695.14
  5. Step 5: Solve for x
    x = 34,731,371,695.14/155,257.80
  6. Step 6: Final answer
    x = 223,701.30

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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.