Home / 180,265.18-248,761.38-99,690.56

Finding the Fourth Proportional to 180,265.18, 248,761.38 and 99,690.56

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Solution

The fourth proportional to 180,265.18, 248,761.38 and 99,690.56 is: 137,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,265.18 : 248,761.38 = 99,690.56 : x
  2. Step 2: Convert to fraction form
    180,265.18/248,761.38 = 99,690.56/x
  3. Step 3: Cross multiply
    180,265.18x = 248,761.38 × 99,690.56
  4. Step 4: Simplify right side
    180,265.18x = 24,799,161,278.57
  5. Step 5: Solve for x
    x = 24,799,161,278.57/180,265.18
  6. Step 6: Final answer
    x = 137,570.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.