Home / 119,020.55-164,253.49-71,264.77

Finding the Fourth Proportional to 119,020.55, 164,253.49 and 71,264.77

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Solution

The fourth proportional to 119,020.55, 164,253.49 and 71,264.77 is: 98,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,020.55 : 164,253.49 = 71,264.77 : x
  2. Step 2: Convert to fraction form
    119,020.55/164,253.49 = 71,264.77/x
  3. Step 3: Cross multiply
    119,020.55x = 164,253.49 × 71,264.77
  4. Step 4: Simplify right side
    119,020.55x = 11,705,486,597.75
  5. Step 5: Solve for x
    x = 11,705,486,597.75/119,020.55
  6. Step 6: Final answer
    x = 98,348.45

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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.