Home / 156,763.98-216,396.34-109,045.02

Finding the Fourth Proportional to 156,763.98, 216,396.34 and 109,045.02

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Solution

The fourth proportional to 156,763.98, 216,396.34 and 109,045.02 is: 150,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763.98 : 216,396.34 = 109,045.02 : x
  2. Step 2: Convert to fraction form
    156,763.98/216,396.34 = 109,045.02/x
  3. Step 3: Cross multiply
    156,763.98x = 216,396.34 × 109,045.02
  4. Step 4: Simplify right side
    156,763.98x = 23,596,943,223.23
  5. Step 5: Solve for x
    x = 23,596,943,223.23/156,763.98
  6. Step 6: Final answer
    x = 150,525.29

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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.