Home / 262,631.40-393,947.10-251,113.20

Finding the Fourth Proportional to 262,631.40, 393,947.10 and 251,113.20

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Solution

The fourth proportional to 262,631.40, 393,947.10 and 251,113.20 is: 376,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,631.40 : 393,947.10 = 251,113.20 : x
  2. Step 2: Convert to fraction form
    262,631.40/393,947.10 = 251,113.20/x
  3. Step 3: Cross multiply
    262,631.40x = 393,947.10 × 251,113.20
  4. Step 4: Simplify right side
    262,631.40x = 98,925,316,911.72
  5. Step 5: Solve for x
    x = 98,925,316,911.72/262,631.40
  6. Step 6: Final answer
    x = 376,669.80

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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.