Home / 185,108.90-255,259.35-158,340.02

Finding the Fourth Proportional to 185,108.90, 255,259.35 and 158,340.02

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Solution

The fourth proportional to 185,108.90, 255,259.35 and 158,340.02 is: 218,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,108.90 : 255,259.35 = 158,340.02 : x
  2. Step 2: Convert to fraction form
    185,108.90/255,259.35 = 158,340.02/x
  3. Step 3: Cross multiply
    185,108.90x = 255,259.35 × 158,340.02
  4. Step 4: Simplify right side
    185,108.90x = 40,417,769,307.89
  5. Step 5: Solve for x
    x = 40,417,769,307.89/185,108.90
  6. Step 6: Final answer
    x = 218,345.91

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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.