Home / 113,113.22-169,641.80-38,231.71

Finding the Fourth Proportional to 113,113.22, 169,641.80 and 38,231.71

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Solution

The fourth proportional to 113,113.22, 169,641.80 and 38,231.71 is: 57,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,113.22 : 169,641.80 = 38,231.71 : x
  2. Step 2: Convert to fraction form
    113,113.22/169,641.80 = 38,231.71/x
  3. Step 3: Cross multiply
    113,113.22x = 169,641.80 × 38,231.71
  4. Step 4: Simplify right side
    113,113.22x = 6,485,695,486.21
  5. Step 5: Solve for x
    x = 6,485,695,486.21/113,113.22
  6. Step 6: Final answer
    x = 57,338.08

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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.