Home / 113,278.66-156,328.58-62,295.30

Finding the Fourth Proportional to 113,278.66, 156,328.58 and 62,295.30

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Solution

The fourth proportional to 113,278.66, 156,328.58 and 62,295.30 is: 85,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,278.66 : 156,328.58 = 62,295.30 : x
  2. Step 2: Convert to fraction form
    113,278.66/156,328.58 = 62,295.30/x
  3. Step 3: Cross multiply
    113,278.66x = 156,328.58 × 62,295.30
  4. Step 4: Simplify right side
    113,278.66x = 9,738,535,789.67
  5. Step 5: Solve for x
    x = 9,738,535,789.67/113,278.66
  6. Step 6: Final answer
    x = 85,969.73

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1.5x scale

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.