Home / 185,515.04-255,841.78-156,894.74

Finding the Fourth Proportional to 185,515.04, 255,841.78 and 156,894.74

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Solution

The fourth proportional to 185,515.04, 255,841.78 and 156,894.74 is: 216,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,515.04 : 255,841.78 = 156,894.74 : x
  2. Step 2: Convert to fraction form
    185,515.04/255,841.78 = 156,894.74/x
  3. Step 3: Cross multiply
    185,515.04x = 255,841.78 × 156,894.74
  4. Step 4: Simplify right side
    185,515.04x = 40,140,229,554.24
  5. Step 5: Solve for x
    x = 40,140,229,554.24/185,515.04
  6. Step 6: Final answer
    x = 216,371.83

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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.