Home / 185,482.40-255,965.76-100,598.72

Finding the Fourth Proportional to 185,482.40, 255,965.76 and 100,598.72

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Solution

The fourth proportional to 185,482.40, 255,965.76 and 100,598.72 is: 138,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,482.40 : 255,965.76 = 100,598.72 : x
  2. Step 2: Convert to fraction form
    185,482.40/255,965.76 = 100,598.72/x
  3. Step 3: Cross multiply
    185,482.40x = 255,965.76 × 100,598.72
  4. Step 4: Simplify right side
    185,482.40x = 25,749,827,819.83
  5. Step 5: Solve for x
    x = 25,749,827,819.83/185,482.40
  6. Step 6: Final answer
    x = 138,826.26

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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.