Home / 257,094.24-385,405.17-88,574.50

Finding the Fourth Proportional to 257,094.24, 385,405.17 and 88,574.50

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Solution

The fourth proportional to 257,094.24, 385,405.17 and 88,574.50 is: 132,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,094.24 : 385,405.17 = 88,574.50 : x
  2. Step 2: Convert to fraction form
    257,094.24/385,405.17 = 88,574.50/x
  3. Step 3: Cross multiply
    257,094.24x = 385,405.17 × 88,574.50
  4. Step 4: Simplify right side
    257,094.24x = 34,137,070,230.17
  5. Step 5: Solve for x
    x = 34,137,070,230.17/257,094.24
  6. Step 6: Final answer
    x = 132,780.38

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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.