Home / 121,580.11-182,370.17-51,460.03

Finding the Fourth Proportional to 121,580.11, 182,370.17 and 51,460.03

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Solution

The fourth proportional to 121,580.11, 182,370.17 and 51,460.03 is: 77,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,580.11 : 182,370.17 = 51,460.03 : x
  2. Step 2: Convert to fraction form
    121,580.11/182,370.17 = 51,460.03/x
  3. Step 3: Cross multiply
    121,580.11x = 182,370.17 × 51,460.03
  4. Step 4: Simplify right side
    121,580.11x = 9,384,774,419.31
  5. Step 5: Solve for x
    x = 9,384,774,419.31/121,580.11
  6. Step 6: Final answer
    x = 77,190.05

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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.