Home / 130,810.10-195,923.55-101,066.90

Finding the Fourth Proportional to 130,810.10, 195,923.55 and 101,066.90

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Solution

The fourth proportional to 130,810.10, 195,923.55 and 101,066.90 is: 151,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,810.10 : 195,923.55 = 101,066.90 : x
  2. Step 2: Convert to fraction form
    130,810.10/195,923.55 = 101,066.90/x
  3. Step 3: Cross multiply
    130,810.10x = 195,923.55 × 101,066.90
  4. Step 4: Simplify right side
    130,810.10x = 19,801,385,835.50
  5. Step 5: Solve for x
    x = 19,801,385,835.50/130,810.10
  6. Step 6: Final answer
    x = 151,375.05

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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.