Home / 119,211.95-164,444.05-74,422.19

Finding the Fourth Proportional to 119,211.95, 164,444.05 and 74,422.19

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Solution

The fourth proportional to 119,211.95, 164,444.05 and 74,422.19 is: 102,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,211.95 : 164,444.05 = 74,422.19 : x
  2. Step 2: Convert to fraction form
    119,211.95/164,444.05 = 74,422.19/x
  3. Step 3: Cross multiply
    119,211.95x = 164,444.05 × 74,422.19
  4. Step 4: Simplify right side
    119,211.95x = 12,238,286,333.47
  5. Step 5: Solve for x
    x = 12,238,286,333.47/119,211.95
  6. Step 6: Final answer
    x = 102,659.90

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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.