Home / 130,678.71-195,994.63-34,616.55

Finding the Fourth Proportional to 130,678.71, 195,994.63 and 34,616.55

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Solution

The fourth proportional to 130,678.71, 195,994.63 and 34,616.55 is: 51,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,678.71 : 195,994.63 = 34,616.55 : x
  2. Step 2: Convert to fraction form
    130,678.71/195,994.63 = 34,616.55/x
  3. Step 3: Cross multiply
    130,678.71x = 195,994.63 × 34,616.55
  4. Step 4: Simplify right side
    130,678.71x = 6,784,657,909.13
  5. Step 5: Solve for x
    x = 6,784,657,909.13/130,678.71
  6. Step 6: Final answer
    x = 51,918.62

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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.