Home / 119,095.20-178,643.76-43,247.36

Finding the Fourth Proportional to 119,095.20, 178,643.76 and 43,247.36

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Solution

The fourth proportional to 119,095.20, 178,643.76 and 43,247.36 is: 64,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,095.20 : 178,643.76 = 43,247.36 : x
  2. Step 2: Convert to fraction form
    119,095.20/178,643.76 = 43,247.36/x
  3. Step 3: Cross multiply
    119,095.20x = 178,643.76 × 43,247.36
  4. Step 4: Simplify right side
    119,095.20x = 7,725,871,000.47
  5. Step 5: Solve for x
    x = 7,725,871,000.47/119,095.20
  6. Step 6: Final answer
    x = 64,871.39

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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.