Home / 121,667.36-182,501.28-38,561.12

Finding the Fourth Proportional to 121,667.36, 182,501.28 and 38,561.12

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Solution

The fourth proportional to 121,667.36, 182,501.28 and 38,561.12 is: 57,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,667.36 : 182,501.28 = 38,561.12 : x
  2. Step 2: Convert to fraction form
    121,667.36/182,501.28 = 38,561.12/x
  3. Step 3: Cross multiply
    121,667.36x = 182,501.28 × 38,561.12
  4. Step 4: Simplify right side
    121,667.36x = 7,037,453,758.23
  5. Step 5: Solve for x
    x = 7,037,453,758.23/121,667.36
  6. Step 6: Final answer
    x = 57,841.76

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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.