Home / 104,149.03-143,725.80-56,402.46

Finding the Fourth Proportional to 104,149.03, 143,725.80 and 56,402.46

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Solution

The fourth proportional to 104,149.03, 143,725.80 and 56,402.46 is: 77,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,149.03 : 143,725.80 = 56,402.46 : x
  2. Step 2: Convert to fraction form
    104,149.03/143,725.80 = 56,402.46/x
  3. Step 3: Cross multiply
    104,149.03x = 143,725.80 × 56,402.46
  4. Step 4: Simplify right side
    104,149.03x = 8,106,488,685.47
  5. Step 5: Solve for x
    x = 8,106,488,685.47/104,149.03
  6. Step 6: Final answer
    x = 77,835.47

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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.