Home / 104,937.48-144,815.40-57,190.86

Finding the Fourth Proportional to 104,937.48, 144,815.40 and 57,190.86

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Solution

The fourth proportional to 104,937.48, 144,815.40 and 57,190.86 is: 78,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,937.48 : 144,815.40 = 57,190.86 : x
  2. Step 2: Convert to fraction form
    104,937.48/144,815.40 = 57,190.86/x
  3. Step 3: Cross multiply
    104,937.48x = 144,815.40 × 57,190.86
  4. Step 4: Simplify right side
    104,937.48x = 8,282,117,267.24
  5. Step 5: Solve for x
    x = 8,282,117,267.24/104,937.48
  6. Step 6: Final answer
    x = 78,924.30

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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.