Home / 113,278.77-156,334.66-62,300.48

Finding the Fourth Proportional to 113,278.77, 156,334.66 and 62,300.48

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Solution

The fourth proportional to 113,278.77, 156,334.66 and 62,300.48 is: 85,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,278.77 : 156,334.66 = 62,300.48 : x
  2. Step 2: Convert to fraction form
    113,278.77/156,334.66 = 62,300.48/x
  3. Step 3: Cross multiply
    113,278.77x = 156,334.66 × 62,300.48
  4. Step 4: Simplify right side
    113,278.77x = 9,739,724,358.64
  5. Step 5: Solve for x
    x = 9,739,724,358.64/113,278.77
  6. Step 6: Final answer
    x = 85,980.14

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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.