Home / 156,631.71-235,046.40-66,674.29

Finding the Fourth Proportional to 156,631.71, 235,046.40 and 66,674.29

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Solution

The fourth proportional to 156,631.71, 235,046.40 and 66,674.29 is: 100,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.71 : 235,046.40 = 66,674.29 : x
  2. Step 2: Convert to fraction form
    156,631.71/235,046.40 = 66,674.29/x
  3. Step 3: Cross multiply
    156,631.71x = 235,046.40 × 66,674.29
  4. Step 4: Simplify right side
    156,631.71x = 15,671,550,999.41
  5. Step 5: Solve for x
    x = 15,671,550,999.41/156,631.71
  6. Step 6: Final answer
    x = 100,053.50

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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.