Home / 177,781.56-245,400.33-102,360.12

Finding the Fourth Proportional to 177,781.56, 245,400.33 and 102,360.12

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Solution

The fourth proportional to 177,781.56, 245,400.33 and 102,360.12 is: 141,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,781.56 : 245,400.33 = 102,360.12 : x
  2. Step 2: Convert to fraction form
    177,781.56/245,400.33 = 102,360.12/x
  3. Step 3: Cross multiply
    177,781.56x = 245,400.33 × 102,360.12
  4. Step 4: Simplify right side
    177,781.56x = 25,119,207,226.84
  5. Step 5: Solve for x
    x = 25,119,207,226.84/177,781.56
  6. Step 6: Final answer
    x = 141,292.53

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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.