Home / 185,815.80-256,504.32-125,468.16

Finding the Fourth Proportional to 185,815.80, 256,504.32 and 125,468.16

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Solution

The fourth proportional to 185,815.80, 256,504.32 and 125,468.16 is: 173,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,815.80 : 256,504.32 = 125,468.16 : x
  2. Step 2: Convert to fraction form
    185,815.80/256,504.32 = 125,468.16/x
  3. Step 3: Cross multiply
    185,815.80x = 256,504.32 × 125,468.16
  4. Step 4: Simplify right side
    185,815.80x = 32,183,125,062.45
  5. Step 5: Solve for x
    x = 32,183,125,062.45/185,815.80
  6. Step 6: Final answer
    x = 173,199.08

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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.