Home / 120,726.84-166,613.58-70,442.04

Finding the Fourth Proportional to 120,726.84, 166,613.58 and 70,442.04

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Solution

The fourth proportional to 120,726.84, 166,613.58 and 70,442.04 is: 97,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726.84 : 166,613.58 = 70,442.04 : x
  2. Step 2: Convert to fraction form
    120,726.84/166,613.58 = 70,442.04/x
  3. Step 3: Cross multiply
    120,726.84x = 166,613.58 × 70,442.04
  4. Step 4: Simplify right side
    120,726.84x = 11,736,600,466.90
  5. Step 5: Solve for x
    x = 11,736,600,466.90/120,726.84
  6. Step 6: Final answer
    x = 97,216.17

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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.