Home / 104,400.61-144,073.23-56,653.97

Finding the Fourth Proportional to 104,400.61, 144,073.23 and 56,653.97

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Solution

The fourth proportional to 104,400.61, 144,073.23 and 56,653.97 is: 78,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,400.61 : 144,073.23 = 56,653.97 : x
  2. Step 2: Convert to fraction form
    104,400.61/144,073.23 = 56,653.97/x
  3. Step 3: Cross multiply
    104,400.61x = 144,073.23 × 56,653.97
  4. Step 4: Simplify right side
    104,400.61x = 8,162,319,729.86
  5. Step 5: Solve for x
    x = 8,162,319,729.86/104,400.61
  6. Step 6: Final answer
    x = 78,182.68

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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.