Home / 170,764.16-256,139.52-52,429.44

Finding the Fourth Proportional to 170,764.16, 256,139.52 and 52,429.44

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Solution

The fourth proportional to 170,764.16, 256,139.52 and 52,429.44 is: 78,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,764.16 : 256,139.52 = 52,429.44 : x
  2. Step 2: Convert to fraction form
    170,764.16/256,139.52 = 52,429.44/x
  3. Step 3: Cross multiply
    170,764.16x = 256,139.52 × 52,429.44
  4. Step 4: Simplify right side
    170,764.16x = 13,429,251,595.47
  5. Step 5: Solve for x
    x = 13,429,251,595.47/170,764.16
  6. Step 6: Final answer
    x = 78,642.10

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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.