Home / 129,306.42-193,973.13-35,812.17

Finding the Fourth Proportional to 129,306.42, 193,973.13 and 35,812.17

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Solution

The fourth proportional to 129,306.42, 193,973.13 and 35,812.17 is: 53,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,306.42 : 193,973.13 = 35,812.17 : x
  2. Step 2: Convert to fraction form
    129,306.42/193,973.13 = 35,812.17/x
  3. Step 3: Cross multiply
    129,306.42x = 193,973.13 × 35,812.17
  4. Step 4: Simplify right side
    129,306.42x = 6,946,598,706.99
  5. Step 5: Solve for x
    x = 6,946,598,706.99/129,306.42
  6. Step 6: Final answer
    x = 53,721.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.