Home / 130,896.75-196,345.13-42,159.23

Finding the Fourth Proportional to 130,896.75, 196,345.13 and 42,159.23

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Solution

The fourth proportional to 130,896.75, 196,345.13 and 42,159.23 is: 63,238.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,896.75 : 196,345.13 = 42,159.23 : x
  2. Step 2: Convert to fraction form
    130,896.75/196,345.13 = 42,159.23/x
  3. Step 3: Cross multiply
    130,896.75x = 196,345.13 × 42,159.23
  4. Step 4: Simplify right side
    130,896.75x = 8,277,758,302.53
  5. Step 5: Solve for x
    x = 8,277,758,302.53/130,896.75
  6. Step 6: Final answer
    x = 63,238.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.