Home / 113,310.70-169,966.05-106,312.30

Finding the Fourth Proportional to 113,310.70, 169,966.05 and 106,312.30

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Solution

The fourth proportional to 113,310.70, 169,966.05 and 106,312.30 is: 159,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,310.70 : 169,966.05 = 106,312.30 : x
  2. Step 2: Convert to fraction form
    113,310.70/169,966.05 = 106,312.30/x
  3. Step 3: Cross multiply
    113,310.70x = 169,966.05 × 106,312.30
  4. Step 4: Simplify right side
    113,310.70x = 18,069,481,697.42
  5. Step 5: Solve for x
    x = 18,069,481,697.42/113,310.70
  6. Step 6: Final answer
    x = 159,468.45

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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.