Home / 353,200.38-487,523.25-240,088.74

Finding the Fourth Proportional to 353,200.38, 487,523.25 and 240,088.74

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Solution

The fourth proportional to 353,200.38, 487,523.25 and 240,088.74 is: 331,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,200.38 : 487,523.25 = 240,088.74 : x
  2. Step 2: Convert to fraction form
    353,200.38/487,523.25 = 240,088.74/x
  3. Step 3: Cross multiply
    353,200.38x = 487,523.25 × 240,088.74
  4. Step 4: Simplify right side
    353,200.38x = 117,048,842,813.21
  5. Step 5: Solve for x
    x = 117,048,842,813.21/353,200.38
  6. Step 6: Final answer
    x = 331,395.01

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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.