Home / 347,922.10-522,055.95-137,566.90

Finding the Fourth Proportional to 347,922.10, 522,055.95 and 137,566.90

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Solution

The fourth proportional to 347,922.10, 522,055.95 and 137,566.90 is: 206,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,922.10 : 522,055.95 = 137,566.90 : x
  2. Step 2: Convert to fraction form
    347,922.10/522,055.95 = 137,566.90/x
  3. Step 3: Cross multiply
    347,922.10x = 522,055.95 × 137,566.90
  4. Step 4: Simplify right side
    347,922.10x = 71,817,618,668.06
  5. Step 5: Solve for x
    x = 71,817,618,668.06/347,922.10
  6. Step 6: Final answer
    x = 206,418.67

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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.