Home / 302,168.89-453,160.50-99,727.71

Finding the Fourth Proportional to 302,168.89, 453,160.50 and 99,727.71

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Solution

The fourth proportional to 302,168.89, 453,160.50 and 99,727.71 is: 149,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,168.89 : 453,160.50 = 99,727.71 : x
  2. Step 2: Convert to fraction form
    302,168.89/453,160.50 = 99,727.71/x
  3. Step 3: Cross multiply
    302,168.89x = 453,160.50 × 99,727.71
  4. Step 4: Simplify right side
    302,168.89x = 45,192,658,927.46
  5. Step 5: Solve for x
    x = 45,192,658,927.46/302,168.89
  6. Step 6: Final answer
    x = 149,560.93

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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.