Home / 113,538.18-170,327.93-38,654.49

Finding the Fourth Proportional to 113,538.18, 170,327.93 and 38,654.49

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Solution

The fourth proportional to 113,538.18, 170,327.93 and 38,654.49 is: 57,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,538.18 : 170,327.93 = 38,654.49 : x
  2. Step 2: Convert to fraction form
    113,538.18/170,327.93 = 38,654.49/x
  3. Step 3: Cross multiply
    113,538.18x = 170,327.93 × 38,654.49
  4. Step 4: Simplify right side
    113,538.18x = 6,583,939,266.91
  5. Step 5: Solve for x
    x = 6,583,939,266.91/113,538.18
  6. Step 6: Final answer
    x = 57,988.77

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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.