Home / 104,425.20-144,106.29-56,678.13

Finding the Fourth Proportional to 104,425.20, 144,106.29 and 56,678.13

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Solution

The fourth proportional to 104,425.20, 144,106.29 and 56,678.13 is: 78,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.20 : 144,106.29 = 56,678.13 : x
  2. Step 2: Convert to fraction form
    104,425.20/144,106.29 = 56,678.13/x
  3. Step 3: Cross multiply
    104,425.20x = 144,106.29 × 56,678.13
  4. Step 4: Simplify right side
    104,425.20x = 8,167,675,038.44
  5. Step 5: Solve for x
    x = 8,167,675,038.44/104,425.20
  6. Step 6: Final answer
    x = 78,215.56

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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.