Home / 104,525.88-144,246.72-56,780.16

Finding the Fourth Proportional to 104,525.88, 144,246.72 and 56,780.16

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Solution

The fourth proportional to 104,525.88, 144,246.72 and 56,780.16 is: 78,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,525.88 : 144,246.72 = 56,780.16 : x
  2. Step 2: Convert to fraction form
    104,525.88/144,246.72 = 56,780.16/x
  3. Step 3: Cross multiply
    104,525.88x = 144,246.72 × 56,780.16
  4. Step 4: Simplify right side
    104,525.88x = 8,190,351,841.08
  5. Step 5: Solve for x
    x = 8,190,351,841.08/104,525.88
  6. Step 6: Final answer
    x = 78,357.17

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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.