Home / 318,393.28-439,373.53-175,153.36

Finding the Fourth Proportional to 318,393.28, 439,373.53 and 175,153.36

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Solution

The fourth proportional to 318,393.28, 439,373.53 and 175,153.36 is: 241,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,393.28 : 439,373.53 = 175,153.36 : x
  2. Step 2: Convert to fraction form
    318,393.28/439,373.53 = 175,153.36/x
  3. Step 3: Cross multiply
    318,393.28x = 439,373.53 × 175,153.36
  4. Step 4: Simplify right side
    318,393.28x = 76,957,747,001.93
  5. Step 5: Solve for x
    x = 76,957,747,001.93/318,393.28
  6. Step 6: Final answer
    x = 241,706.57

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1.5x scale

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.