Home / 148,512.65-204,934.79-84,838.01

Finding the Fourth Proportional to 148,512.65, 204,934.79 and 84,838.01

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Solution

The fourth proportional to 148,512.65, 204,934.79 and 84,838.01 is: 117,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,512.65 : 204,934.79 = 84,838.01 : x
  2. Step 2: Convert to fraction form
    148,512.65/204,934.79 = 84,838.01/x
  3. Step 3: Cross multiply
    148,512.65x = 204,934.79 × 84,838.01
  4. Step 4: Simplify right side
    148,512.65x = 17,386,258,950.79
  5. Step 5: Solve for x
    x = 17,386,258,950.79/148,512.65
  6. Step 6: Final answer
    x = 117,069.22

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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.