Home / 141,209.63-194,820.56-90,252.18

Finding the Fourth Proportional to 141,209.63, 194,820.56 and 90,252.18

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Solution

The fourth proportional to 141,209.63, 194,820.56 and 90,252.18 is: 124,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.63 : 194,820.56 = 90,252.18 : x
  2. Step 2: Convert to fraction form
    141,209.63/194,820.56 = 90,252.18/x
  3. Step 3: Cross multiply
    141,209.63x = 194,820.56 × 90,252.18
  4. Step 4: Simplify right side
    141,209.63x = 17,582,980,474.45
  5. Step 5: Solve for x
    x = 17,582,980,474.45/141,209.63
  6. Step 6: Final answer
    x = 124,516.87

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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.