Home / 130,154.85-195,009.44-71,032.01

Finding the Fourth Proportional to 130,154.85, 195,009.44 and 71,032.01

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Solution

The fourth proportional to 130,154.85, 195,009.44 and 71,032.01 is: 106,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,154.85 : 195,009.44 = 71,032.01 : x
  2. Step 2: Convert to fraction form
    130,154.85/195,009.44 = 71,032.01/x
  3. Step 3: Cross multiply
    130,154.85x = 195,009.44 × 71,032.01
  4. Step 4: Simplify right side
    130,154.85x = 13,851,911,161.97
  5. Step 5: Solve for x
    x = 13,851,911,161.97/130,154.85
  6. Step 6: Final answer
    x = 106,426.39

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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.