Home / 130,272.40-195,271.80-82,923.76

Finding the Fourth Proportional to 130,272.40, 195,271.80 and 82,923.76

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Solution

The fourth proportional to 130,272.40, 195,271.80 and 82,923.76 is: 124,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,272.40 : 195,271.80 = 82,923.76 : x
  2. Step 2: Convert to fraction form
    130,272.40/195,271.80 = 82,923.76/x
  3. Step 3: Cross multiply
    130,272.40x = 195,271.80 × 82,923.76
  4. Step 4: Simplify right side
    130,272.40x = 16,192,671,877.97
  5. Step 5: Solve for x
    x = 16,192,671,877.97/130,272.40
  6. Step 6: Final answer
    x = 124,298.56

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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.