Home / 284,523.35-392,657.96-157,196.21

Finding the Fourth Proportional to 284,523.35, 392,657.96 and 157,196.21

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Solution

The fourth proportional to 284,523.35, 392,657.96 and 157,196.21 is: 216,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,523.35 : 392,657.96 = 157,196.21 : x
  2. Step 2: Convert to fraction form
    284,523.35/392,657.96 = 157,196.21/x
  3. Step 3: Cross multiply
    284,523.35x = 392,657.96 × 157,196.21
  4. Step 4: Simplify right side
    284,523.35x = 61,724,341,568.03
  5. Step 5: Solve for x
    x = 61,724,341,568.03/284,523.35
  6. Step 6: Final answer
    x = 216,939.46

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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.