Home / 148,518.92-204,966.95-84,855.35

Finding the Fourth Proportional to 148,518.92, 204,966.95 and 84,855.35

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Solution

The fourth proportional to 148,518.92, 204,966.95 and 84,855.35 is: 117,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,518.92 : 204,966.95 = 84,855.35 : x
  2. Step 2: Convert to fraction form
    148,518.92/204,966.95 = 84,855.35/x
  3. Step 3: Cross multiply
    148,518.92x = 204,966.95 × 84,855.35
  4. Step 4: Simplify right side
    148,518.92x = 17,392,540,831.57
  5. Step 5: Solve for x
    x = 17,392,540,831.57/148,518.92
  6. Step 6: Final answer
    x = 117,106.57

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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.