Home / 151,321.16-208,776.12-85,899.08

Finding the Fourth Proportional to 151,321.16, 208,776.12 and 85,899.08

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Solution

The fourth proportional to 151,321.16, 208,776.12 and 85,899.08 is: 118,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,321.16 : 208,776.12 = 85,899.08 : x
  2. Step 2: Convert to fraction form
    151,321.16/208,776.12 = 85,899.08/x
  3. Step 3: Cross multiply
    151,321.16x = 208,776.12 × 85,899.08
  4. Step 4: Simplify right side
    151,321.16x = 17,933,676,633.97
  5. Step 5: Solve for x
    x = 17,933,676,633.97/151,321.16
  6. Step 6: Final answer
    x = 118,514.00

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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.