Home / 130,266.28-179,710.39-76,527.05

Finding the Fourth Proportional to 130,266.28, 179,710.39 and 76,527.05

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Solution

The fourth proportional to 130,266.28, 179,710.39 and 76,527.05 is: 105,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.28 : 179,710.39 = 76,527.05 : x
  2. Step 2: Convert to fraction form
    130,266.28/179,710.39 = 76,527.05/x
  3. Step 3: Cross multiply
    130,266.28x = 179,710.39 × 76,527.05
  4. Step 4: Simplify right side
    130,266.28x = 13,752,706,259.01
  5. Step 5: Solve for x
    x = 13,752,706,259.01/130,266.28
  6. Step 6: Final answer
    x = 105,573.80

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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.