Home / 183,710.39-253,534.98-103,143.20

Finding the Fourth Proportional to 183,710.39, 253,534.98 and 103,143.20

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Solution

The fourth proportional to 183,710.39, 253,534.98 and 103,143.20 is: 142,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,710.39 : 253,534.98 = 103,143.20 : x
  2. Step 2: Convert to fraction form
    183,710.39/253,534.98 = 103,143.20/x
  3. Step 3: Cross multiply
    183,710.39x = 253,534.98 × 103,143.20
  4. Step 4: Simplify right side
    183,710.39x = 26,150,407,365.75
  5. Step 5: Solve for x
    x = 26,150,407,365.75/183,710.39
  6. Step 6: Final answer
    x = 142,345.83

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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.