Home / 148,376.52-204,769.64-83,823.36

Finding the Fourth Proportional to 148,376.52, 204,769.64 and 83,823.36

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Solution

The fourth proportional to 148,376.52, 204,769.64 and 83,823.36 is: 115,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,376.52 : 204,769.64 = 83,823.36 : x
  2. Step 2: Convert to fraction form
    148,376.52/204,769.64 = 83,823.36/x
  3. Step 3: Cross multiply
    148,376.52x = 204,769.64 × 83,823.36
  4. Step 4: Simplify right side
    148,376.52x = 17,164,478,831.67
  5. Step 5: Solve for x
    x = 17,164,478,831.67/148,376.52
  6. Step 6: Final answer
    x = 115,681.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.