Home / 113,507.04-156,500.92-70,991.76

Finding the Fourth Proportional to 113,507.04, 156,500.92 and 70,991.76

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Solution

The fourth proportional to 113,507.04, 156,500.92 and 70,991.76 is: 97,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,507.04 : 156,500.92 = 70,991.76 : x
  2. Step 2: Convert to fraction form
    113,507.04/156,500.92 = 70,991.76/x
  3. Step 3: Cross multiply
    113,507.04x = 156,500.92 × 70,991.76
  4. Step 4: Simplify right side
    113,507.04x = 11,110,275,752.42
  5. Step 5: Solve for x
    x = 11,110,275,752.42/113,507.04
  6. Step 6: Final answer
    x = 97,881.82

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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.