Home / 229,872.10-344,808.15-72,100.30

Finding the Fourth Proportional to 229,872.10, 344,808.15 and 72,100.30

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Solution

The fourth proportional to 229,872.10, 344,808.15 and 72,100.30 is: 108,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,872.10 : 344,808.15 = 72,100.30 : x
  2. Step 2: Convert to fraction form
    229,872.10/344,808.15 = 72,100.30/x
  3. Step 3: Cross multiply
    229,872.10x = 344,808.15 × 72,100.30
  4. Step 4: Simplify right side
    229,872.10x = 24,860,771,057.45
  5. Step 5: Solve for x
    x = 24,860,771,057.45/229,872.10
  6. Step 6: Final answer
    x = 108,150.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.