Home / 185,247.60-255,641.94-100,364.66

Finding the Fourth Proportional to 185,247.60, 255,641.94 and 100,364.66

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Solution

The fourth proportional to 185,247.60, 255,641.94 and 100,364.66 is: 138,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,247.60 : 255,641.94 = 100,364.66 : x
  2. Step 2: Convert to fraction form
    185,247.60/255,641.94 = 100,364.66/x
  3. Step 3: Cross multiply
    185,247.60x = 255,641.94 × 100,364.66
  4. Step 4: Simplify right side
    185,247.60x = 25,657,416,389.84
  5. Step 5: Solve for x
    x = 25,657,416,389.84/185,247.60
  6. Step 6: Final answer
    x = 138,503.37

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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.