Home / 352,430.12-486,348.96-191,291.24

Finding the Fourth Proportional to 352,430.12, 486,348.96 and 191,291.24

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Solution

The fourth proportional to 352,430.12, 486,348.96 and 191,291.24 is: 263,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,430.12 : 486,348.96 = 191,291.24 : x
  2. Step 2: Convert to fraction form
    352,430.12/486,348.96 = 191,291.24/x
  3. Step 3: Cross multiply
    352,430.12x = 486,348.96 × 191,291.24
  4. Step 4: Simplify right side
    352,430.12x = 93,034,295,631.11
  5. Step 5: Solve for x
    x = 93,034,295,631.11/352,430.12
  6. Step 6: Final answer
    x = 263,979.41

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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.