Home / 157,895.16-217,895.38-85,298.08

Finding the Fourth Proportional to 157,895.16, 217,895.38 and 85,298.08

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Solution

The fourth proportional to 157,895.16, 217,895.38 and 85,298.08 is: 117,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,895.16 : 217,895.38 = 85,298.08 : x
  2. Step 2: Convert to fraction form
    157,895.16/217,895.38 = 85,298.08/x
  3. Step 3: Cross multiply
    157,895.16x = 217,895.38 × 85,298.08
  4. Step 4: Simplify right side
    157,895.16x = 18,586,056,796.89
  5. Step 5: Solve for x
    x = 18,586,056,796.89/157,895.16
  6. Step 6: Final answer
    x = 117,711.38

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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.