Home / 145,029.48-199,767.78-102,514.92

Finding the Fourth Proportional to 145,029.48, 199,767.78 and 102,514.92

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Solution

The fourth proportional to 145,029.48, 199,767.78 and 102,514.92 is: 141,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,029.48 : 199,767.78 = 102,514.92 : x
  2. Step 2: Convert to fraction form
    145,029.48/199,767.78 = 102,514.92/x
  3. Step 3: Cross multiply
    145,029.48x = 199,767.78 × 102,514.92
  4. Step 4: Simplify right side
    145,029.48x = 20,479,177,985.28
  5. Step 5: Solve for x
    x = 20,479,177,985.28/145,029.48
  6. Step 6: Final answer
    x = 141,207.00

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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.