Home / 185,346.95-255,755.90-131,612.36

Finding the Fourth Proportional to 185,346.95, 255,755.90 and 131,612.36

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Solution

The fourth proportional to 185,346.95, 255,755.90 and 131,612.36 is: 181,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,346.95 : 255,755.90 = 131,612.36 : x
  2. Step 2: Convert to fraction form
    185,346.95/255,755.90 = 131,612.36/x
  3. Step 3: Cross multiply
    185,346.95x = 255,755.90 × 131,612.36
  4. Step 4: Simplify right side
    185,346.95x = 33,660,636,924.86
  5. Step 5: Solve for x
    x = 33,660,636,924.86/185,346.95
  6. Step 6: Final answer
    x = 181,608.80

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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.