Home / 130,470.34-195,705.65-35,693.50

Finding the Fourth Proportional to 130,470.34, 195,705.65 and 35,693.50

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Solution

The fourth proportional to 130,470.34, 195,705.65 and 35,693.50 is: 53,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,470.34 : 195,705.65 = 35,693.50 : x
  2. Step 2: Convert to fraction form
    130,470.34/195,705.65 = 35,693.50/x
  3. Step 3: Cross multiply
    130,470.34x = 195,705.65 × 35,693.50
  4. Step 4: Simplify right side
    130,470.34x = 6,985,419,618.28
  5. Step 5: Solve for x
    x = 6,985,419,618.28/130,470.34
  6. Step 6: Final answer
    x = 53,540.29

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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.