Home / 354,401.04-489,062.52-193,259.10

Finding the Fourth Proportional to 354,401.04, 489,062.52 and 193,259.10

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Solution

The fourth proportional to 354,401.04, 489,062.52 and 193,259.10 is: 266,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,401.04 : 489,062.52 = 193,259.10 : x
  2. Step 2: Convert to fraction form
    354,401.04/489,062.52 = 193,259.10/x
  3. Step 3: Cross multiply
    354,401.04x = 489,062.52 × 193,259.10
  4. Step 4: Simplify right side
    354,401.04x = 94,515,782,458.93
  5. Step 5: Solve for x
    x = 94,515,782,458.93/354,401.04
  6. Step 6: Final answer
    x = 266,691.61

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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.