Home / 317,504.13-438,164.01-181,560.21

Finding the Fourth Proportional to 317,504.13, 438,164.01 and 181,560.21

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Solution

The fourth proportional to 317,504.13, 438,164.01 and 181,560.21 is: 250,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,504.13 : 438,164.01 = 181,560.21 : x
  2. Step 2: Convert to fraction form
    317,504.13/438,164.01 = 181,560.21/x
  3. Step 3: Cross multiply
    317,504.13x = 438,164.01 × 181,560.21
  4. Step 4: Simplify right side
    317,504.13x = 79,553,149,670.04
  5. Step 5: Solve for x
    x = 79,553,149,670.04/317,504.13
  6. Step 6: Final answer
    x = 250,557.84

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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.