Home / 157,530.60-236,331.15-57,688.80

Finding the Fourth Proportional to 157,530.60, 236,331.15 and 57,688.80

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Solution

The fourth proportional to 157,530.60, 236,331.15 and 57,688.80 is: 86,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,530.60 : 236,331.15 = 57,688.80 : x
  2. Step 2: Convert to fraction form
    157,530.60/236,331.15 = 57,688.80/x
  3. Step 3: Cross multiply
    157,530.60x = 236,331.15 × 57,688.80
  4. Step 4: Simplify right side
    157,530.60x = 13,633,660,446.12
  5. Step 5: Solve for x
    x = 13,633,660,446.12/157,530.60
  6. Step 6: Final answer
    x = 86,546.11

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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.