Home / 130,726.72-196,101.06-51,841.72

Finding the Fourth Proportional to 130,726.72, 196,101.06 and 51,841.72

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Solution

The fourth proportional to 130,726.72, 196,101.06 and 51,841.72 is: 77,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,726.72 : 196,101.06 = 51,841.72 : x
  2. Step 2: Convert to fraction form
    130,726.72/196,101.06 = 51,841.72/x
  3. Step 3: Cross multiply
    130,726.72x = 196,101.06 × 51,841.72
  4. Step 4: Simplify right side
    130,726.72x = 10,166,216,244.22
  5. Step 5: Solve for x
    x = 10,166,216,244.22/130,726.72
  6. Step 6: Final answer
    x = 77,766.93

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1.5x scale

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.