Home / 113,290.88-156,341.42-62,304.53

Finding the Fourth Proportional to 113,290.88, 156,341.42 and 62,304.53

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Solution

The fourth proportional to 113,290.88, 156,341.42 and 62,304.53 is: 85,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,290.88 : 156,341.42 = 62,304.53 : x
  2. Step 2: Convert to fraction form
    113,290.88/156,341.42 = 62,304.53/x
  3. Step 3: Cross multiply
    113,290.88x = 156,341.42 × 62,304.53
  4. Step 4: Simplify right side
    113,290.88x = 9,740,777,599.40
  5. Step 5: Solve for x
    x = 9,740,777,599.40/113,290.88
  6. Step 6: Final answer
    x = 85,980.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.