Home / 170,288.23-234,997.80-98,709.76

Finding the Fourth Proportional to 170,288.23, 234,997.80 and 98,709.76

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Solution

The fourth proportional to 170,288.23, 234,997.80 and 98,709.76 is: 136,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,288.23 : 234,997.80 = 98,709.76 : x
  2. Step 2: Convert to fraction form
    170,288.23/234,997.80 = 98,709.76/x
  3. Step 3: Cross multiply
    170,288.23x = 234,997.80 × 98,709.76
  4. Step 4: Simplify right side
    170,288.23x = 23,196,576,438.53
  5. Step 5: Solve for x
    x = 23,196,576,438.53/170,288.23
  6. Step 6: Final answer
    x = 136,219.49

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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.