Home / 347,013.20-520,528.44-97,693.52

Finding the Fourth Proportional to 347,013.20, 520,528.44 and 97,693.52

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Solution

The fourth proportional to 347,013.20, 520,528.44 and 97,693.52 is: 146,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,013.20 : 520,528.44 = 97,693.52 : x
  2. Step 2: Convert to fraction form
    347,013.20/520,528.44 = 97,693.52/x
  3. Step 3: Cross multiply
    347,013.20x = 520,528.44 × 97,693.52
  4. Step 4: Simplify right side
    347,013.20x = 50,852,255,563.71
  5. Step 5: Solve for x
    x = 50,852,255,563.71/347,013.20
  6. Step 6: Final answer
    x = 146,542.71

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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.