Home / 121,667.10-182,500.64-38,561.10

Finding the Fourth Proportional to 121,667.10, 182,500.64 and 38,561.10

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Solution

The fourth proportional to 121,667.10, 182,500.64 and 38,561.10 is: 57,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,667.10 : 182,500.64 = 38,561.10 : x
  2. Step 2: Convert to fraction form
    121,667.10/182,500.64 = 38,561.10/x
  3. Step 3: Cross multiply
    121,667.10x = 182,500.64 × 38,561.10
  4. Step 4: Simplify right side
    121,667.10x = 7,037,425,429.10
  5. Step 5: Solve for x
    x = 7,037,425,429.10/121,667.10
  6. Step 6: Final answer
    x = 57,841.65

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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.