Home / 189,593.76-261,637.20-103,552.32

Finding the Fourth Proportional to 189,593.76, 261,637.20 and 103,552.32

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Solution

The fourth proportional to 189,593.76, 261,637.20 and 103,552.32 is: 142,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,593.76 : 261,637.20 = 103,552.32 : x
  2. Step 2: Convert to fraction form
    189,593.76/261,637.20 = 103,552.32/x
  3. Step 3: Cross multiply
    189,593.76x = 261,637.20 × 103,552.32
  4. Step 4: Simplify right side
    189,593.76x = 27,093,139,058.30
  5. Step 5: Solve for x
    x = 27,093,139,058.30/189,593.76
  6. Step 6: Final answer
    x = 142,901.01

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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.