Home / 183,729.71-253,538.83-103,155.77

Finding the Fourth Proportional to 183,729.71, 253,538.83 and 103,155.77

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Solution

The fourth proportional to 183,729.71, 253,538.83 and 103,155.77 is: 142,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,729.71 : 253,538.83 = 103,155.77 : x
  2. Step 2: Convert to fraction form
    183,729.71/253,538.83 = 103,155.77/x
  3. Step 3: Cross multiply
    183,729.71x = 253,538.83 × 103,155.77
  4. Step 4: Simplify right side
    183,729.71x = 26,153,993,233.55
  5. Step 5: Solve for x
    x = 26,153,993,233.55/183,729.71
  6. Step 6: Final answer
    x = 142,350.38

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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.