Home / 156,042.90-234,064.35-124,938.90

Finding the Fourth Proportional to 156,042.90, 234,064.35 and 124,938.90

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Solution

The fourth proportional to 156,042.90, 234,064.35 and 124,938.90 is: 187,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,042.90 : 234,064.35 = 124,938.90 : x
  2. Step 2: Convert to fraction form
    156,042.90/234,064.35 = 124,938.90/x
  3. Step 3: Cross multiply
    156,042.90x = 234,064.35 × 124,938.90
  4. Step 4: Simplify right side
    156,042.90x = 29,243,742,418.22
  5. Step 5: Solve for x
    x = 29,243,742,418.22/156,042.90
  6. Step 6: Final answer
    x = 187,408.35

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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.