Home / 130,644.54-195,975-106,975.62

Finding the Fourth Proportional to 130,644.54, 195,975 and 106,975.62

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Solution

The fourth proportional to 130,644.54, 195,975 and 106,975.62 is: 160,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,644.54 : 195,975 = 106,975.62 : x
  2. Step 2: Convert to fraction form
    130,644.54/195,975 = 106,975.62/x
  3. Step 3: Cross multiply
    130,644.54x = 195,975 × 106,975.62
  4. Step 4: Simplify right side
    130,644.54x = 20,964,547,129.50
  5. Step 5: Solve for x
    x = 20,964,547,129.50/130,644.54
  6. Step 6: Final answer
    x = 160,470.14

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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.