Home / 121,123.04-181,713.64-38,017.04

Finding the Fourth Proportional to 121,123.04, 181,713.64 and 38,017.04

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Solution

The fourth proportional to 121,123.04, 181,713.64 and 38,017.04 is: 57,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,123.04 : 181,713.64 = 38,017.04 : x
  2. Step 2: Convert to fraction form
    121,123.04/181,713.64 = 38,017.04/x
  3. Step 3: Cross multiply
    121,123.04x = 181,713.64 × 38,017.04
  4. Step 4: Simplify right side
    121,123.04x = 6,908,214,720.43
  5. Step 5: Solve for x
    x = 6,908,214,720.43/121,123.04
  6. Step 6: Final answer
    x = 57,034.69

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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.