Home / 189,610.16-284,305.21-89,769.51

Finding the Fourth Proportional to 189,610.16, 284,305.21 and 89,769.51

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Solution

The fourth proportional to 189,610.16, 284,305.21 and 89,769.51 is: 134,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,610.16 : 284,305.21 = 89,769.51 : x
  2. Step 2: Convert to fraction form
    189,610.16/284,305.21 = 89,769.51/x
  3. Step 3: Cross multiply
    189,610.16x = 284,305.21 × 89,769.51
  4. Step 4: Simplify right side
    189,610.16x = 25,521,938,943.30
  5. Step 5: Solve for x
    x = 25,521,938,943.30/189,610.16
  6. Step 6: Final answer
    x = 134,602.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.