Home / 119,831.28-178,835.66-106,545.66

Finding the Fourth Proportional to 119,831.28, 178,835.66 and 106,545.66

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Solution

The fourth proportional to 119,831.28, 178,835.66 and 106,545.66 is: 159,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,831.28 : 178,835.66 = 106,545.66 : x
  2. Step 2: Convert to fraction form
    119,831.28/178,835.66 = 106,545.66/x
  3. Step 3: Cross multiply
    119,831.28x = 178,835.66 × 106,545.66
  4. Step 4: Simplify right side
    119,831.28x = 19,054,162,893.51
  5. Step 5: Solve for x
    x = 19,054,162,893.51/119,831.28
  6. Step 6: Final answer
    x = 159,008.26

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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.