Home / 261,512.04-391,923.74-103,654.44

Finding the Fourth Proportional to 261,512.04, 391,923.74 and 103,654.44

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Solution

The fourth proportional to 261,512.04, 391,923.74 and 103,654.44 is: 155,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,512.04 : 391,923.74 = 103,654.44 : x
  2. Step 2: Convert to fraction form
    261,512.04/391,923.74 = 103,654.44/x
  3. Step 3: Cross multiply
    261,512.04x = 391,923.74 × 103,654.44
  4. Step 4: Simplify right side
    261,512.04x = 40,624,635,792.41
  5. Step 5: Solve for x
    x = 40,624,635,792.41/261,512.04
  6. Step 6: Final answer
    x = 155,345.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.