Home / 157,895.66-217,896.07-85,298.58

Finding the Fourth Proportional to 157,895.66, 217,896.07 and 85,298.58

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Solution

The fourth proportional to 157,895.66, 217,896.07 and 85,298.58 is: 117,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,895.66 : 217,896.07 = 85,298.58 : x
  2. Step 2: Convert to fraction form
    157,895.66/217,896.07 = 85,298.58/x
  3. Step 3: Cross multiply
    157,895.66x = 217,896.07 × 85,298.58
  4. Step 4: Simplify right side
    157,895.66x = 18,586,225,358.58
  5. Step 5: Solve for x
    x = 18,586,225,358.58/157,895.66
  6. Step 6: Final answer
    x = 117,712.07

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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.