Home / 108,897.38-163,352.22-38,776.70

Finding the Fourth Proportional to 108,897.38, 163,352.22 and 38,776.70

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Solution

The fourth proportional to 108,897.38, 163,352.22 and 38,776.70 is: 58,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,897.38 : 163,352.22 = 38,776.70 : x
  2. Step 2: Convert to fraction form
    108,897.38/163,352.22 = 38,776.70/x
  3. Step 3: Cross multiply
    108,897.38x = 163,352.22 × 38,776.70
  4. Step 4: Simplify right side
    108,897.38x = 6,334,259,212.51
  5. Step 5: Solve for x
    x = 6,334,259,212.51/108,897.38
  6. Step 6: Final answer
    x = 58,167.24

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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.