Home / 120,795.17-166,705.05-67,080.18

Finding the Fourth Proportional to 120,795.17, 166,705.05 and 67,080.18

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Solution

The fourth proportional to 120,795.17, 166,705.05 and 67,080.18 is: 92,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,795.17 : 166,705.05 = 67,080.18 : x
  2. Step 2: Convert to fraction form
    120,795.17/166,705.05 = 67,080.18/x
  3. Step 3: Cross multiply
    120,795.17x = 166,705.05 × 67,080.18
  4. Step 4: Simplify right side
    120,795.17x = 11,182,604,425.51
  5. Step 5: Solve for x
    x = 11,182,604,425.51/120,795.17
  6. Step 6: Final answer
    x = 92,574.93

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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.