Home / 124,664.65-187,838.46-102,964.14

Finding the Fourth Proportional to 124,664.65, 187,838.46 and 102,964.14

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Solution

The fourth proportional to 124,664.65, 187,838.46 and 102,964.14 is: 155,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,664.65 : 187,838.46 = 102,964.14 : x
  2. Step 2: Convert to fraction form
    124,664.65/187,838.46 = 102,964.14/x
  3. Step 3: Cross multiply
    124,664.65x = 187,838.46 × 102,964.14
  4. Step 4: Simplify right side
    124,664.65x = 19,340,625,492.82
  5. Step 5: Solve for x
    x = 19,340,625,492.82/124,664.65
  6. Step 6: Final answer
    x = 155,141.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.