Home / 284,725.53-392,905.89-157,393.53

Finding the Fourth Proportional to 284,725.53, 392,905.89 and 157,393.53

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Solution

The fourth proportional to 284,725.53, 392,905.89 and 157,393.53 is: 217,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,725.53 : 392,905.89 = 157,393.53 : x
  2. Step 2: Convert to fraction form
    284,725.53/392,905.89 = 157,393.53/x
  3. Step 3: Cross multiply
    284,725.53x = 392,905.89 × 157,393.53
  4. Step 4: Simplify right side
    284,725.53x = 61,840,844,984.89
  5. Step 5: Solve for x
    x = 61,840,844,984.89/284,725.53
  6. Step 6: Final answer
    x = 217,194.59

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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.