Home / 317,218.28-437,720.74-181,261.04

Finding the Fourth Proportional to 317,218.28, 437,720.74 and 181,261.04

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Solution

The fourth proportional to 317,218.28, 437,720.74 and 181,261.04 is: 250,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,218.28 : 437,720.74 = 181,261.04 : x
  2. Step 2: Convert to fraction form
    317,218.28/437,720.74 = 181,261.04/x
  3. Step 3: Cross multiply
    317,218.28x = 437,720.74 × 181,261.04
  4. Step 4: Simplify right side
    317,218.28x = 79,341,716,561.97
  5. Step 5: Solve for x
    x = 79,341,716,561.97/317,218.28
  6. Step 6: Final answer
    x = 250,117.10

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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.