Home / 183,859.20-253,712.06-103,300.15

Finding the Fourth Proportional to 183,859.20, 253,712.06 and 103,300.15

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Solution

The fourth proportional to 183,859.20, 253,712.06 and 103,300.15 is: 142,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,859.20 : 253,712.06 = 103,300.15 : x
  2. Step 2: Convert to fraction form
    183,859.20/253,712.06 = 103,300.15/x
  3. Step 3: Cross multiply
    183,859.20x = 253,712.06 × 103,300.15
  4. Step 4: Simplify right side
    183,859.20x = 26,208,493,854.81
  5. Step 5: Solve for x
    x = 26,208,493,854.81/183,859.20
  6. Step 6: Final answer
    x = 142,546.55

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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.