Home / 148,527.84-204,983.28-84,875.16

Finding the Fourth Proportional to 148,527.84, 204,983.28 and 84,875.16

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Solution

The fourth proportional to 148,527.84, 204,983.28 and 84,875.16 is: 117,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,527.84 : 204,983.28 = 84,875.16 : x
  2. Step 2: Convert to fraction form
    148,527.84/204,983.28 = 84,875.16/x
  3. Step 3: Cross multiply
    148,527.84x = 204,983.28 × 84,875.16
  4. Step 4: Simplify right side
    148,527.84x = 17,397,988,687.32
  5. Step 5: Solve for x
    x = 17,397,988,687.32/148,527.84
  6. Step 6: Final answer
    x = 117,136.21

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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.