Home / 157,868.56-217,920.95-97,463.62

Finding the Fourth Proportional to 157,868.56, 217,920.95 and 97,463.62

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Solution

The fourth proportional to 157,868.56, 217,920.95 and 97,463.62 is: 134,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,868.56 : 217,920.95 = 97,463.62 : x
  2. Step 2: Convert to fraction form
    157,868.56/217,920.95 = 97,463.62/x
  3. Step 3: Cross multiply
    157,868.56x = 217,920.95 × 97,463.62
  4. Step 4: Simplify right side
    157,868.56x = 21,239,364,660.84
  5. Step 5: Solve for x
    x = 21,239,364,660.84/157,868.56
  6. Step 6: Final answer
    x = 134,538.28

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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.