Home / 110,126.28-152,038.80-79,882.56

Finding the Fourth Proportional to 110,126.28, 152,038.80 and 79,882.56

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Solution

The fourth proportional to 110,126.28, 152,038.80 and 79,882.56 is: 110,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,126.28 : 152,038.80 = 79,882.56 : x
  2. Step 2: Convert to fraction form
    110,126.28/152,038.80 = 79,882.56/x
  3. Step 3: Cross multiply
    110,126.28x = 152,038.80 × 79,882.56
  4. Step 4: Simplify right side
    110,126.28x = 12,145,248,563.33
  5. Step 5: Solve for x
    x = 12,145,248,563.33/110,126.28
  6. Step 6: Final answer
    x = 110,284.74

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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.