Home / 156,915.90-235,373.85-57,079.35

Finding the Fourth Proportional to 156,915.90, 235,373.85 and 57,079.35

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Solution

The fourth proportional to 156,915.90, 235,373.85 and 57,079.35 is: 85,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.90 : 235,373.85 = 57,079.35 : x
  2. Step 2: Convert to fraction form
    156,915.90/235,373.85 = 57,079.35/x
  3. Step 3: Cross multiply
    156,915.90x = 235,373.85 × 57,079.35
  4. Step 4: Simplify right side
    156,915.90x = 13,434,986,365.00
  5. Step 5: Solve for x
    x = 13,434,986,365.00/156,915.90
  6. Step 6: Final answer
    x = 85,619.03

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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.