Home / 185,113.20-255,326.28-113,521.74

Finding the Fourth Proportional to 185,113.20, 255,326.28 and 113,521.74

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Solution

The fourth proportional to 185,113.20, 255,326.28 and 113,521.74 is: 156,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,113.20 : 255,326.28 = 113,521.74 : x
  2. Step 2: Convert to fraction form
    185,113.20/255,326.28 = 113,521.74/x
  3. Step 3: Cross multiply
    185,113.20x = 255,326.28 × 113,521.74
  4. Step 4: Simplify right side
    185,113.20x = 28,985,083,573.33
  5. Step 5: Solve for x
    x = 28,985,083,573.33/185,113.20
  6. Step 6: Final answer
    x = 156,580.32

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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.