Home / 156,918.90-235,304.42-57,008.64

Finding the Fourth Proportional to 156,918.90, 235,304.42 and 57,008.64

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Solution

The fourth proportional to 156,918.90, 235,304.42 and 57,008.64 is: 85,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.90 : 235,304.42 = 57,008.64 : x
  2. Step 2: Convert to fraction form
    156,918.90/235,304.42 = 57,008.64/x
  3. Step 3: Cross multiply
    156,918.90x = 235,304.42 × 57,008.64
  4. Step 4: Simplify right side
    156,918.90x = 13,414,384,970.19
  5. Step 5: Solve for x
    x = 13,414,384,970.19/156,918.90
  6. Step 6: Final answer
    x = 85,486.10

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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.