Home / 291,836.25-402,734.03-157,700.25

Finding the Fourth Proportional to 291,836.25, 402,734.03 and 157,700.25

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Solution

The fourth proportional to 291,836.25, 402,734.03 and 157,700.25 is: 217,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,836.25 : 402,734.03 = 157,700.25 : x
  2. Step 2: Convert to fraction form
    291,836.25/402,734.03 = 157,700.25/x
  3. Step 3: Cross multiply
    291,836.25x = 402,734.03 × 157,700.25
  4. Step 4: Simplify right side
    291,836.25x = 63,511,256,426.01
  5. Step 5: Solve for x
    x = 63,511,256,426.01/291,836.25
  6. Step 6: Final answer
    x = 217,626.35

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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.