Home / 180,197.45-248,677.68-99,630.18

Finding the Fourth Proportional to 180,197.45, 248,677.68 and 99,630.18

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Solution

The fourth proportional to 180,197.45, 248,677.68 and 99,630.18 is: 137,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,197.45 : 248,677.68 = 99,630.18 : x
  2. Step 2: Convert to fraction form
    180,197.45/248,677.68 = 99,630.18/x
  3. Step 3: Cross multiply
    180,197.45x = 248,677.68 × 99,630.18
  4. Step 4: Simplify right side
    180,197.45x = 24,775,801,833.58
  5. Step 5: Solve for x
    x = 24,775,801,833.58/180,197.45
  6. Step 6: Final answer
    x = 137,492.52

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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.