Home / 120,533.58-166,320.96-66,818.10

Finding the Fourth Proportional to 120,533.58, 166,320.96 and 66,818.10

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Solution

The fourth proportional to 120,533.58, 166,320.96 and 66,818.10 is: 92,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,533.58 : 166,320.96 = 66,818.10 : x
  2. Step 2: Convert to fraction form
    120,533.58/166,320.96 = 66,818.10/x
  3. Step 3: Cross multiply
    120,533.58x = 166,320.96 × 66,818.10
  4. Step 4: Simplify right side
    120,533.58x = 11,113,250,537.38
  5. Step 5: Solve for x
    x = 11,113,250,537.38/120,533.58
  6. Step 6: Final answer
    x = 92,200.45

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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.