Home / 140,050.16-193,261.36-79,612.28

Finding the Fourth Proportional to 140,050.16, 193,261.36 and 79,612.28

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Solution

The fourth proportional to 140,050.16, 193,261.36 and 79,612.28 is: 109,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,050.16 : 193,261.36 = 79,612.28 : x
  2. Step 2: Convert to fraction form
    140,050.16/193,261.36 = 79,612.28/x
  3. Step 3: Cross multiply
    140,050.16x = 193,261.36 × 79,612.28
  4. Step 4: Simplify right side
    140,050.16x = 15,385,977,505.50
  5. Step 5: Solve for x
    x = 15,385,977,505.50/140,050.16
  6. Step 6: Final answer
    x = 109,860.48

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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.