Home / 120,299.02-166,054.15-69,332.11

Finding the Fourth Proportional to 120,299.02, 166,054.15 and 69,332.11

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Solution

The fourth proportional to 120,299.02, 166,054.15 and 69,332.11 is: 95,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,299.02 : 166,054.15 = 69,332.11 : x
  2. Step 2: Convert to fraction form
    120,299.02/166,054.15 = 69,332.11/x
  3. Step 3: Cross multiply
    120,299.02x = 166,054.15 × 69,332.11
  4. Step 4: Simplify right side
    120,299.02x = 11,512,883,875.29
  5. Step 5: Solve for x
    x = 11,512,883,875.29/120,299.02
  6. Step 6: Final answer
    x = 95,702.23

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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.