Home / 130,774.43-196,160.50-86,598.79

Finding the Fourth Proportional to 130,774.43, 196,160.50 and 86,598.79

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Solution

The fourth proportional to 130,774.43, 196,160.50 and 86,598.79 is: 129,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,774.43 : 196,160.50 = 86,598.79 : x
  2. Step 2: Convert to fraction form
    130,774.43/196,160.50 = 86,598.79/x
  3. Step 3: Cross multiply
    130,774.43x = 196,160.50 × 86,598.79
  4. Step 4: Simplify right side
    130,774.43x = 16,987,261,563.64
  5. Step 5: Solve for x
    x = 16,987,261,563.64/130,774.43
  6. Step 6: Final answer
    x = 129,897.42

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1.5x scale

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.