Home / 219,739.50-303,246.90-124,244.10

Finding the Fourth Proportional to 219,739.50, 303,246.90 and 124,244.10

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Solution

The fourth proportional to 219,739.50, 303,246.90 and 124,244.10 is: 171,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,739.50 : 303,246.90 = 124,244.10 : x
  2. Step 2: Convert to fraction form
    219,739.50/303,246.90 = 124,244.10/x
  3. Step 3: Cross multiply
    219,739.50x = 303,246.90 × 124,244.10
  4. Step 4: Simplify right side
    219,739.50x = 37,676,638,168.29
  5. Step 5: Solve for x
    x = 37,676,638,168.29/219,739.50
  6. Step 6: Final answer
    x = 171,460.47

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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.