Home / 352,658.13-528,987.19-103,340.13

Finding the Fourth Proportional to 352,658.13, 528,987.19 and 103,340.13

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Solution

The fourth proportional to 352,658.13, 528,987.19 and 103,340.13 is: 155,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,658.13 : 528,987.19 = 103,340.13 : x
  2. Step 2: Convert to fraction form
    352,658.13/528,987.19 = 103,340.13/x
  3. Step 3: Cross multiply
    352,658.13x = 528,987.19 × 103,340.13
  4. Step 4: Simplify right side
    352,658.13x = 54,665,604,982.93
  5. Step 5: Solve for x
    x = 54,665,604,982.93/352,658.13
  6. Step 6: Final answer
    x = 155,010.19

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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.