Home / 183,850.61-253,700.20-103,291.55

Finding the Fourth Proportional to 183,850.61, 253,700.20 and 103,291.55

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Solution

The fourth proportional to 183,850.61, 253,700.20 and 103,291.55 is: 142,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,850.61 : 253,700.20 = 103,291.55 : x
  2. Step 2: Convert to fraction form
    183,850.61/253,700.20 = 103,291.55/x
  3. Step 3: Cross multiply
    183,850.61x = 253,700.20 × 103,291.55
  4. Step 4: Simplify right side
    183,850.61x = 26,205,088,132.36
  5. Step 5: Solve for x
    x = 26,205,088,132.36/183,850.61
  6. Step 6: Final answer
    x = 142,534.68

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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.