Home / 296,046.20-444,069.30-85,705.40

Finding the Fourth Proportional to 296,046.20, 444,069.30 and 85,705.40

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Solution

The fourth proportional to 296,046.20, 444,069.30 and 85,705.40 is: 128,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,046.20 : 444,069.30 = 85,705.40 : x
  2. Step 2: Convert to fraction form
    296,046.20/444,069.30 = 85,705.40/x
  3. Step 3: Cross multiply
    296,046.20x = 444,069.30 × 85,705.40
  4. Step 4: Simplify right side
    296,046.20x = 38,059,136,984.22
  5. Step 5: Solve for x
    x = 38,059,136,984.22/296,046.20
  6. Step 6: Final answer
    x = 128,558.10

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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.