Home / 638,788.10-958,182.11-165,473.45

Finding the Fourth Proportional to 638,788.10, 958,182.11 and 165,473.45

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Solution

The fourth proportional to 638,788.10, 958,182.11 and 165,473.45 is: 248,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,788.10 : 958,182.11 = 165,473.45 : x
  2. Step 2: Convert to fraction form
    638,788.10/958,182.11 = 165,473.45/x
  3. Step 3: Cross multiply
    638,788.10x = 958,182.11 × 165,473.45
  4. Step 4: Simplify right side
    638,788.10x = 158,553,693,851.70
  5. Step 5: Solve for x
    x = 158,553,693,851.70/638,788.10
  6. Step 6: Final answer
    x = 248,210.16

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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.