Home / 132,726.60-183,200.34-87,437.64

Finding the Fourth Proportional to 132,726.60, 183,200.34 and 87,437.64

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Solution

The fourth proportional to 132,726.60, 183,200.34 and 87,437.64 is: 120,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,726.60 : 183,200.34 = 87,437.64 : x
  2. Step 2: Convert to fraction form
    132,726.60/183,200.34 = 87,437.64/x
  3. Step 3: Cross multiply
    132,726.60x = 183,200.34 × 87,437.64
  4. Step 4: Simplify right side
    132,726.60x = 16,018,605,376.80
  5. Step 5: Solve for x
    x = 16,018,605,376.80/132,726.60
  6. Step 6: Final answer
    x = 120,688.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.