Home / 141,031.06-194,620.53-77,374.78

Finding the Fourth Proportional to 141,031.06, 194,620.53 and 77,374.78

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Solution

The fourth proportional to 141,031.06, 194,620.53 and 77,374.78 is: 106,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,031.06 : 194,620.53 = 77,374.78 : x
  2. Step 2: Convert to fraction form
    141,031.06/194,620.53 = 77,374.78/x
  3. Step 3: Cross multiply
    141,031.06x = 194,620.53 × 77,374.78
  4. Step 4: Simplify right side
    141,031.06x = 15,058,720,692.23
  5. Step 5: Solve for x
    x = 15,058,720,692.23/141,031.06
  6. Step 6: Final answer
    x = 106,775.92

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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.