Home / 180,403.50-248,956.02-103,894.68

Finding the Fourth Proportional to 180,403.50, 248,956.02 and 103,894.68

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Solution

The fourth proportional to 180,403.50, 248,956.02 and 103,894.68 is: 143,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,403.50 : 248,956.02 = 103,894.68 : x
  2. Step 2: Convert to fraction form
    180,403.50/248,956.02 = 103,894.68/x
  3. Step 3: Cross multiply
    180,403.50x = 248,956.02 × 103,894.68
  4. Step 4: Simplify right side
    180,403.50x = 25,865,206,031.97
  5. Step 5: Solve for x
    x = 25,865,206,031.97/180,403.50
  6. Step 6: Final answer
    x = 143,374.19

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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.