Home / 120,802.55-166,715.23-67,087.58

Finding the Fourth Proportional to 120,802.55, 166,715.23 and 67,087.58

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Solution

The fourth proportional to 120,802.55, 166,715.23 and 67,087.58 is: 92,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,802.55 : 166,715.23 = 67,087.58 : x
  2. Step 2: Convert to fraction form
    120,802.55/166,715.23 = 67,087.58/x
  3. Step 3: Cross multiply
    120,802.55x = 166,715.23 × 67,087.58
  4. Step 4: Simplify right side
    120,802.55x = 11,184,520,328.55
  5. Step 5: Solve for x
    x = 11,184,520,328.55/120,802.55
  6. Step 6: Final answer
    x = 92,585.14

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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.