Home / 250,309.24-345,427.98-137,132.04

Finding the Fourth Proportional to 250,309.24, 345,427.98 and 137,132.04

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Solution

The fourth proportional to 250,309.24, 345,427.98 and 137,132.04 is: 189,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,309.24 : 345,427.98 = 137,132.04 : x
  2. Step 2: Convert to fraction form
    250,309.24/345,427.98 = 137,132.04/x
  3. Step 3: Cross multiply
    250,309.24x = 345,427.98 × 137,132.04
  4. Step 4: Simplify right side
    250,309.24x = 47,369,243,570.48
  5. Step 5: Solve for x
    x = 47,369,243,570.48/250,309.24
  6. Step 6: Final answer
    x = 189,242.89

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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.