Home / 157,261.38-235,928.92-52,080.36

Finding the Fourth Proportional to 157,261.38, 235,928.92 and 52,080.36

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Solution

The fourth proportional to 157,261.38, 235,928.92 and 52,080.36 is: 78,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,261.38 : 235,928.92 = 52,080.36 : x
  2. Step 2: Convert to fraction form
    157,261.38/235,928.92 = 52,080.36/x
  3. Step 3: Cross multiply
    157,261.38x = 235,928.92 × 52,080.36
  4. Step 4: Simplify right side
    157,261.38x = 12,287,263,088.01
  5. Step 5: Solve for x
    x = 12,287,263,088.01/157,261.38
  6. Step 6: Final answer
    x = 78,132.74

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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.