Home / 113,246.30-169,869.45-100,999.10

Finding the Fourth Proportional to 113,246.30, 169,869.45 and 100,999.10

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Solution

The fourth proportional to 113,246.30, 169,869.45 and 100,999.10 is: 151,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,246.30 : 169,869.45 = 100,999.10 : x
  2. Step 2: Convert to fraction form
    113,246.30/169,869.45 = 100,999.10/x
  3. Step 3: Cross multiply
    113,246.30x = 169,869.45 × 100,999.10
  4. Step 4: Simplify right side
    113,246.30x = 17,156,661,567.50
  5. Step 5: Solve for x
    x = 17,156,661,567.50/113,246.30
  6. Step 6: Final answer
    x = 151,498.65

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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.