Home / 130,347.60-195,586.20-51,464.40

Finding the Fourth Proportional to 130,347.60, 195,586.20 and 51,464.40

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Solution

The fourth proportional to 130,347.60, 195,586.20 and 51,464.40 is: 77,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,347.60 : 195,586.20 = 51,464.40 : x
  2. Step 2: Convert to fraction form
    130,347.60/195,586.20 = 51,464.40/x
  3. Step 3: Cross multiply
    130,347.60x = 195,586.20 × 51,464.40
  4. Step 4: Simplify right side
    130,347.60x = 10,065,726,431.28
  5. Step 5: Solve for x
    x = 10,065,726,431.28/130,347.60
  6. Step 6: Final answer
    x = 77,222.18

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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.