Home / 130,057.20-195,085.80-111,030.30

Finding the Fourth Proportional to 130,057.20, 195,085.80 and 111,030.30

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Solution

The fourth proportional to 130,057.20, 195,085.80 and 111,030.30 is: 166,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,057.20 : 195,085.80 = 111,030.30 : x
  2. Step 2: Convert to fraction form
    130,057.20/195,085.80 = 111,030.30/x
  3. Step 3: Cross multiply
    130,057.20x = 195,085.80 × 111,030.30
  4. Step 4: Simplify right side
    130,057.20x = 21,660,434,899.74
  5. Step 5: Solve for x
    x = 21,660,434,899.74/130,057.20
  6. Step 6: Final answer
    x = 166,545.45

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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.