Home / 183,921.52-253,826.40-103,352.80

Finding the Fourth Proportional to 183,921.52, 253,826.40 and 103,352.80

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Solution

The fourth proportional to 183,921.52, 253,826.40 and 103,352.80 is: 142,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,921.52 : 253,826.40 = 103,352.80 : x
  2. Step 2: Convert to fraction form
    183,921.52/253,826.40 = 103,352.80/x
  3. Step 3: Cross multiply
    183,921.52x = 253,826.40 × 103,352.80
  4. Step 4: Simplify right side
    183,921.52x = 26,233,669,153.92
  5. Step 5: Solve for x
    x = 26,233,669,153.92/183,921.52
  6. Step 6: Final answer
    x = 142,635.13

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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.