Home / 134,136.30-201,204.45-45,392.70

Finding the Fourth Proportional to 134,136.30, 201,204.45 and 45,392.70

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Solution

The fourth proportional to 134,136.30, 201,204.45 and 45,392.70 is: 68,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136.30 : 201,204.45 = 45,392.70 : x
  2. Step 2: Convert to fraction form
    134,136.30/201,204.45 = 45,392.70/x
  3. Step 3: Cross multiply
    134,136.30x = 201,204.45 × 45,392.70
  4. Step 4: Simplify right side
    134,136.30x = 9,133,213,237.52
  5. Step 5: Solve for x
    x = 9,133,213,237.52/134,136.30
  6. Step 6: Final answer
    x = 68,089.05

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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.