Home / 315,436.20-472,002.30-232,492.20

Finding the Fourth Proportional to 315,436.20, 472,002.30 and 232,492.20

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Solution

The fourth proportional to 315,436.20, 472,002.30 and 232,492.20 is: 347,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,436.20 : 472,002.30 = 232,492.20 : x
  2. Step 2: Convert to fraction form
    315,436.20/472,002.30 = 232,492.20/x
  3. Step 3: Cross multiply
    315,436.20x = 472,002.30 × 232,492.20
  4. Step 4: Simplify right side
    315,436.20x = 109,736,853,132.06
  5. Step 5: Solve for x
    x = 109,736,853,132.06/315,436.20
  6. Step 6: Final answer
    x = 347,889.22

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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.