Home / 307,546.06-424,403.94-180,306.40

Finding the Fourth Proportional to 307,546.06, 424,403.94 and 180,306.40

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Solution

The fourth proportional to 307,546.06, 424,403.94 and 180,306.40 is: 248,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,546.06 : 424,403.94 = 180,306.40 : x
  2. Step 2: Convert to fraction form
    307,546.06/424,403.94 = 180,306.40/x
  3. Step 3: Cross multiply
    307,546.06x = 424,403.94 × 180,306.40
  4. Step 4: Simplify right side
    307,546.06x = 76,522,746,567.22
  5. Step 5: Solve for x
    x = 76,522,746,567.22/307,546.06
  6. Step 6: Final answer
    x = 248,817.19

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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.