Home / 156,959.40-235,109.70-123,521.52

Finding the Fourth Proportional to 156,959.40, 235,109.70 and 123,521.52

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Solution

The fourth proportional to 156,959.40, 235,109.70 and 123,521.52 is: 185,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,959.40 : 235,109.70 = 123,521.52 : x
  2. Step 2: Convert to fraction form
    156,959.40/235,109.70 = 123,521.52/x
  3. Step 3: Cross multiply
    156,959.40x = 235,109.70 × 123,521.52
  4. Step 4: Simplify right side
    156,959.40x = 29,041,107,510.74
  5. Step 5: Solve for x
    x = 29,041,107,510.74/156,959.40
  6. Step 6: Final answer
    x = 185,023.05

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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.