Home / 120,335.34-166,075.04-69,349.88

Finding the Fourth Proportional to 120,335.34, 166,075.04 and 69,349.88

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Solution

The fourth proportional to 120,335.34, 166,075.04 and 69,349.88 is: 95,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,335.34 : 166,075.04 = 69,349.88 : x
  2. Step 2: Convert to fraction form
    120,335.34/166,075.04 = 69,349.88/x
  3. Step 3: Cross multiply
    120,335.34x = 166,075.04 × 69,349.88
  4. Step 4: Simplify right side
    120,335.34x = 11,517,284,095.00
  5. Step 5: Solve for x
    x = 11,517,284,095.00/120,335.34
  6. Step 6: Final answer
    x = 95,709.91

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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.