Home / 188,423.12-259,764.08-150,312.04

Finding the Fourth Proportional to 188,423.12, 259,764.08 and 150,312.04

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Solution

The fourth proportional to 188,423.12, 259,764.08 and 150,312.04 is: 207,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,423.12 : 259,764.08 = 150,312.04 : x
  2. Step 2: Convert to fraction form
    188,423.12/259,764.08 = 150,312.04/x
  3. Step 3: Cross multiply
    188,423.12x = 259,764.08 × 150,312.04
  4. Step 4: Simplify right side
    188,423.12x = 39,045,668,783.52
  5. Step 5: Solve for x
    x = 39,045,668,783.52/188,423.12
  6. Step 6: Final answer
    x = 207,223.34

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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.