Home / 113,154.48-169,709.85-107,534.70

Finding the Fourth Proportional to 113,154.48, 169,709.85 and 107,534.70

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Solution

The fourth proportional to 113,154.48, 169,709.85 and 107,534.70 is: 161,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,154.48 : 169,709.85 = 107,534.70 : x
  2. Step 2: Convert to fraction form
    113,154.48/169,709.85 = 107,534.70/x
  3. Step 3: Cross multiply
    113,154.48x = 169,709.85 × 107,534.70
  4. Step 4: Simplify right side
    113,154.48x = 18,249,697,806.80
  5. Step 5: Solve for x
    x = 18,249,697,806.80/113,154.48
  6. Step 6: Final answer
    x = 161,281.27

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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.