Home / 130,712.82-196,029.98-46,461.92

Finding the Fourth Proportional to 130,712.82, 196,029.98 and 46,461.92

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Solution

The fourth proportional to 130,712.82, 196,029.98 and 46,461.92 is: 69,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,712.82 : 196,029.98 = 46,461.92 : x
  2. Step 2: Convert to fraction form
    130,712.82/196,029.98 = 46,461.92/x
  3. Step 3: Cross multiply
    130,712.82x = 196,029.98 × 46,461.92
  4. Step 4: Simplify right side
    130,712.82x = 9,107,929,248.36
  5. Step 5: Solve for x
    x = 9,107,929,248.36/130,712.82
  6. Step 6: Final answer
    x = 69,678.93

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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.