Home / 110,708.30-166,062.45-66,312.20

Finding the Fourth Proportional to 110,708.30, 166,062.45 and 66,312.20

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Solution

The fourth proportional to 110,708.30, 166,062.45 and 66,312.20 is: 99,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,708.30 : 166,062.45 = 66,312.20 : x
  2. Step 2: Convert to fraction form
    110,708.30/166,062.45 = 66,312.20/x
  3. Step 3: Cross multiply
    110,708.30x = 166,062.45 × 66,312.20
  4. Step 4: Simplify right side
    110,708.30x = 11,011,966,396.89
  5. Step 5: Solve for x
    x = 11,011,966,396.89/110,708.30
  6. Step 6: Final answer
    x = 99,468.30

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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.