Home / 301,621.68-452,432.28-76,982.16

Finding the Fourth Proportional to 301,621.68, 452,432.28 and 76,982.16

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Solution

The fourth proportional to 301,621.68, 452,432.28 and 76,982.16 is: 115,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,621.68 : 452,432.28 = 76,982.16 : x
  2. Step 2: Convert to fraction form
    301,621.68/452,432.28 = 76,982.16/x
  3. Step 3: Cross multiply
    301,621.68x = 452,432.28 × 76,982.16
  4. Step 4: Simplify right side
    301,621.68x = 34,829,214,168.12
  5. Step 5: Solve for x
    x = 34,829,214,168.12/301,621.68
  6. Step 6: Final answer
    x = 115,473.18

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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.