Home / 170,207.19-255,348.72-51,887.79

Finding the Fourth Proportional to 170,207.19, 255,348.72 and 51,887.79

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Solution

The fourth proportional to 170,207.19, 255,348.72 and 51,887.79 is: 77,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,207.19 : 255,348.72 = 51,887.79 : x
  2. Step 2: Convert to fraction form
    170,207.19/255,348.72 = 51,887.79/x
  3. Step 3: Cross multiply
    170,207.19x = 255,348.72 × 51,887.79
  4. Step 4: Simplify right side
    170,207.19x = 13,249,480,760.13
  5. Step 5: Solve for x
    x = 13,249,480,760.13/170,207.19
  6. Step 6: Final answer
    x = 77,843.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.