Home / 169,421.28-254,140.56-64,248.96

Finding the Fourth Proportional to 169,421.28, 254,140.56 and 64,248.96

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Solution

The fourth proportional to 169,421.28, 254,140.56 and 64,248.96 is: 96,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,421.28 : 254,140.56 = 64,248.96 : x
  2. Step 2: Convert to fraction form
    169,421.28/254,140.56 = 64,248.96/x
  3. Step 3: Cross multiply
    169,421.28x = 254,140.56 × 64,248.96
  4. Step 4: Simplify right side
    169,421.28x = 16,328,266,673.82
  5. Step 5: Solve for x
    x = 16,328,266,673.82/169,421.28
  6. Step 6: Final answer
    x = 96,376.72

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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.