Home / 156,909.39-235,392.30-57,209.46

Finding the Fourth Proportional to 156,909.39, 235,392.30 and 57,209.46

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Solution

The fourth proportional to 156,909.39, 235,392.30 and 57,209.46 is: 85,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,909.39 : 235,392.30 = 57,209.46 : x
  2. Step 2: Convert to fraction form
    156,909.39/235,392.30 = 57,209.46/x
  3. Step 3: Cross multiply
    156,909.39x = 235,392.30 × 57,209.46
  4. Step 4: Simplify right side
    156,909.39x = 13,466,666,371.16
  5. Step 5: Solve for x
    x = 13,466,666,371.16/156,909.39
  6. Step 6: Final answer
    x = 85,824.48

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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.