Home / 121,528.70-182,293.05-38,422.70

Finding the Fourth Proportional to 121,528.70, 182,293.05 and 38,422.70

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Solution

The fourth proportional to 121,528.70, 182,293.05 and 38,422.70 is: 57,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,528.70 : 182,293.05 = 38,422.70 : x
  2. Step 2: Convert to fraction form
    121,528.70/182,293.05 = 38,422.70/x
  3. Step 3: Cross multiply
    121,528.70x = 182,293.05 × 38,422.70
  4. Step 4: Simplify right side
    121,528.70x = 7,004,191,172.24
  5. Step 5: Solve for x
    x = 7,004,191,172.24/121,528.70
  6. Step 6: Final answer
    x = 57,634.05

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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.