Home / 121,607.08-182,438.72-38,501.08

Finding the Fourth Proportional to 121,607.08, 182,438.72 and 38,501.08

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Solution

The fourth proportional to 121,607.08, 182,438.72 and 38,501.08 is: 57,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,607.08 : 182,438.72 = 38,501.08 : x
  2. Step 2: Convert to fraction form
    121,607.08/182,438.72 = 38,501.08/x
  3. Step 3: Cross multiply
    121,607.08x = 182,438.72 × 38,501.08
  4. Step 4: Simplify right side
    121,607.08x = 7,024,087,753.82
  5. Step 5: Solve for x
    x = 7,024,087,753.82/121,607.08
  6. Step 6: Final answer
    x = 57,760.52

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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.