Home / 301,823.12-452,734.20-80,207.12

Finding the Fourth Proportional to 301,823.12, 452,734.20 and 80,207.12

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Solution

The fourth proportional to 301,823.12, 452,734.20 and 80,207.12 is: 120,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,823.12 : 452,734.20 = 80,207.12 : x
  2. Step 2: Convert to fraction form
    301,823.12/452,734.20 = 80,207.12/x
  3. Step 3: Cross multiply
    301,823.12x = 452,734.20 × 80,207.12
  4. Step 4: Simplify right side
    301,823.12x = 36,312,506,307.50
  5. Step 5: Solve for x
    x = 36,312,506,307.50/301,823.12
  6. Step 6: Final answer
    x = 120,310.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.