Home / 284,725.25-392,886.73-157,383.53

Finding the Fourth Proportional to 284,725.25, 392,886.73 and 157,383.53

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Solution

The fourth proportional to 284,725.25, 392,886.73 and 157,383.53 is: 217,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,725.25 : 392,886.73 = 157,383.53 : x
  2. Step 2: Convert to fraction form
    284,725.25/392,886.73 = 157,383.53/x
  3. Step 3: Cross multiply
    284,725.25x = 392,886.73 × 157,383.53
  4. Step 4: Simplify right side
    284,725.25x = 61,833,900,457.56
  5. Step 5: Solve for x
    x = 61,833,900,457.56/284,725.25
  6. Step 6: Final answer
    x = 217,170.41

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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.