Home / 352,434.12-486,346.05-191,285.71

Finding the Fourth Proportional to 352,434.12, 486,346.05 and 191,285.71

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Solution

The fourth proportional to 352,434.12, 486,346.05 and 191,285.71 is: 263,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,434.12 : 486,346.05 = 191,285.71 : x
  2. Step 2: Convert to fraction form
    352,434.12/486,346.05 = 191,285.71/x
  3. Step 3: Cross multiply
    352,434.12x = 486,346.05 × 191,285.71
  4. Step 4: Simplify right side
    352,434.12x = 93,031,049,479.95
  5. Step 5: Solve for x
    x = 93,031,049,479.95/352,434.12
  6. Step 6: Final answer
    x = 263,967.20

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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.