Home / 219,677.32-303,167.78-124,192.90

Finding the Fourth Proportional to 219,677.32, 303,167.78 and 124,192.90

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Solution

The fourth proportional to 219,677.32, 303,167.78 and 124,192.90 is: 171,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,677.32 : 303,167.78 = 124,192.90 : x
  2. Step 2: Convert to fraction form
    219,677.32/303,167.78 = 124,192.90/x
  3. Step 3: Cross multiply
    219,677.32x = 303,167.78 × 124,192.90
  4. Step 4: Simplify right side
    219,677.32x = 37,651,285,784.76
  5. Step 5: Solve for x
    x = 37,651,285,784.76/219,677.32
  6. Step 6: Final answer
    x = 171,393.60

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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.