Home / 104,228.40-156,342.60-57,572.40

Finding the Fourth Proportional to 104,228.40, 156,342.60 and 57,572.40

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Solution

The fourth proportional to 104,228.40, 156,342.60 and 57,572.40 is: 86,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,228.40 : 156,342.60 = 57,572.40 : x
  2. Step 2: Convert to fraction form
    104,228.40/156,342.60 = 57,572.40/x
  3. Step 3: Cross multiply
    104,228.40x = 156,342.60 × 57,572.40
  4. Step 4: Simplify right side
    104,228.40x = 9,001,018,704.24
  5. Step 5: Solve for x
    x = 9,001,018,704.24/104,228.40
  6. Step 6: Final answer
    x = 86,358.60

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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.