Home / 113,215.80-169,818.30-38,328.60

Finding the Fourth Proportional to 113,215.80, 169,818.30 and 38,328.60

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Solution

The fourth proportional to 113,215.80, 169,818.30 and 38,328.60 is: 57,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,215.80 : 169,818.30 = 38,328.60 : x
  2. Step 2: Convert to fraction form
    113,215.80/169,818.30 = 38,328.60/x
  3. Step 3: Cross multiply
    113,215.80x = 169,818.30 × 38,328.60
  4. Step 4: Simplify right side
    113,215.80x = 6,508,897,693.38
  5. Step 5: Solve for x
    x = 6,508,897,693.38/113,215.80
  6. Step 6: Final answer
    x = 57,491.07

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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.