Home / 113,215.90-169,629.45-73,752.70

Finding the Fourth Proportional to 113,215.90, 169,629.45 and 73,752.70

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Solution

The fourth proportional to 113,215.90, 169,629.45 and 73,752.70 is: 110,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,215.90 : 169,629.45 = 73,752.70 : x
  2. Step 2: Convert to fraction form
    113,215.90/169,629.45 = 73,752.70/x
  3. Step 3: Cross multiply
    113,215.90x = 169,629.45 × 73,752.70
  4. Step 4: Simplify right side
    113,215.90x = 12,510,629,937.02
  5. Step 5: Solve for x
    x = 12,510,629,937.02/113,215.90
  6. Step 6: Final answer
    x = 110,502.41

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1.5x scale

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.