Home / 317,537.13-438,209.55-181,593.21

Finding the Fourth Proportional to 317,537.13, 438,209.55 and 181,593.21

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Solution

The fourth proportional to 317,537.13, 438,209.55 and 181,593.21 is: 250,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,537.13 : 438,209.55 = 181,593.21 : x
  2. Step 2: Convert to fraction form
    317,537.13/438,209.55 = 181,593.21/x
  3. Step 3: Cross multiply
    317,537.13x = 438,209.55 × 181,593.21
  4. Step 4: Simplify right side
    317,537.13x = 79,575,878,837.16
  5. Step 5: Solve for x
    x = 79,575,878,837.16/317,537.13
  6. Step 6: Final answer
    x = 250,603.38

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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.