Home / 110,256.53-152,197.29-78,158.92

Finding the Fourth Proportional to 110,256.53, 152,197.29 and 78,158.92

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Solution

The fourth proportional to 110,256.53, 152,197.29 and 78,158.92 is: 107,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,256.53 : 152,197.29 = 78,158.92 : x
  2. Step 2: Convert to fraction form
    110,256.53/152,197.29 = 78,158.92/x
  3. Step 3: Cross multiply
    110,256.53x = 152,197.29 × 78,158.92
  4. Step 4: Simplify right side
    110,256.53x = 11,895,575,422.53
  5. Step 5: Solve for x
    x = 11,895,575,422.53/110,256.53
  6. Step 6: Final answer
    x = 107,889.99

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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.