Home / 107,865.40-161,798.10-60,626.20

Finding the Fourth Proportional to 107,865.40, 161,798.10 and 60,626.20

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Solution

The fourth proportional to 107,865.40, 161,798.10 and 60,626.20 is: 90,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,865.40 : 161,798.10 = 60,626.20 : x
  2. Step 2: Convert to fraction form
    107,865.40/161,798.10 = 60,626.20/x
  3. Step 3: Cross multiply
    107,865.40x = 161,798.10 × 60,626.20
  4. Step 4: Simplify right side
    107,865.40x = 9,809,203,970.22
  5. Step 5: Solve for x
    x = 9,809,203,970.22/107,865.40
  6. Step 6: Final answer
    x = 90,939.30

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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.