Home / 119,203.29-178,638.69-89,586.45

Finding the Fourth Proportional to 119,203.29, 178,638.69 and 89,586.45

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Solution

The fourth proportional to 119,203.29, 178,638.69 and 89,586.45 is: 134,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,203.29 : 178,638.69 = 89,586.45 : x
  2. Step 2: Convert to fraction form
    119,203.29/178,638.69 = 89,586.45/x
  3. Step 3: Cross multiply
    119,203.29x = 178,638.69 × 89,586.45
  4. Step 4: Simplify right side
    119,203.29x = 16,003,606,069.75
  5. Step 5: Solve for x
    x = 16,003,606,069.75/119,203.29
  6. Step 6: Final answer
    x = 134,254.73

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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.