Home / 157,587.39-236,424.83-66,442.95

Finding the Fourth Proportional to 157,587.39, 236,424.83 and 66,442.95

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Solution

The fourth proportional to 157,587.39, 236,424.83 and 66,442.95 is: 99,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,587.39 : 236,424.83 = 66,442.95 : x
  2. Step 2: Convert to fraction form
    157,587.39/236,424.83 = 66,442.95/x
  3. Step 3: Cross multiply
    157,587.39x = 236,424.83 × 66,442.95
  4. Step 4: Simplify right side
    157,587.39x = 15,708,762,826.23
  5. Step 5: Solve for x
    x = 15,708,762,826.23/157,587.39
  6. Step 6: Final answer
    x = 99,682.87

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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.