Home / 146,189.16-201,739.50-85,748.22

Finding the Fourth Proportional to 146,189.16, 201,739.50 and 85,748.22

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Solution

The fourth proportional to 146,189.16, 201,739.50 and 85,748.22 is: 118,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,189.16 : 201,739.50 = 85,748.22 : x
  2. Step 2: Convert to fraction form
    146,189.16/201,739.50 = 85,748.22/x
  3. Step 3: Cross multiply
    146,189.16x = 201,739.50 × 85,748.22
  4. Step 4: Simplify right side
    146,189.16x = 17,298,803,028.69
  5. Step 5: Solve for x
    x = 17,298,803,028.69/146,189.16
  6. Step 6: Final answer
    x = 118,331.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.