Home / 253,612.02-349,995.14-140,434.77

Finding the Fourth Proportional to 253,612.02, 349,995.14 and 140,434.77

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Solution

The fourth proportional to 253,612.02, 349,995.14 and 140,434.77 is: 193,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,612.02 : 349,995.14 = 140,434.77 : x
  2. Step 2: Convert to fraction form
    253,612.02/349,995.14 = 140,434.77/x
  3. Step 3: Cross multiply
    253,612.02x = 349,995.14 × 140,434.77
  4. Step 4: Simplify right side
    253,612.02x = 49,151,486,987.02
  5. Step 5: Solve for x
    x = 49,151,486,987.02/253,612.02
  6. Step 6: Final answer
    x = 193,805.83

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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.