Home / 119,664.27-178,835.13-112,750.47

Finding the Fourth Proportional to 119,664.27, 178,835.13 and 112,750.47

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Solution

The fourth proportional to 119,664.27, 178,835.13 and 112,750.47 is: 168,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,664.27 : 178,835.13 = 112,750.47 : x
  2. Step 2: Convert to fraction form
    119,664.27/178,835.13 = 112,750.47/x
  3. Step 3: Cross multiply
    119,664.27x = 178,835.13 × 112,750.47
  4. Step 4: Simplify right side
    119,664.27x = 20,163,744,960.01
  5. Step 5: Solve for x
    x = 20,163,744,960.01/119,664.27
  6. Step 6: Final answer
    x = 168,502.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.