Home / 156,479.18-234,335.88-141,315.98

Finding the Fourth Proportional to 156,479.18, 234,335.88 and 141,315.98

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Solution

The fourth proportional to 156,479.18, 234,335.88 and 141,315.98 is: 211,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,479.18 : 234,335.88 = 141,315.98 : x
  2. Step 2: Convert to fraction form
    156,479.18/234,335.88 = 141,315.98/x
  3. Step 3: Cross multiply
    156,479.18x = 234,335.88 × 141,315.98
  4. Step 4: Simplify right side
    156,479.18x = 33,115,403,359.68
  5. Step 5: Solve for x
    x = 33,115,403,359.68/156,479.18
  6. Step 6: Final answer
    x = 211,628.18

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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.