Home / 104,184.39-143,775.13-56,437.70

Finding the Fourth Proportional to 104,184.39, 143,775.13 and 56,437.70

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Solution

The fourth proportional to 104,184.39, 143,775.13 and 56,437.70 is: 77,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,184.39 : 143,775.13 = 56,437.70 : x
  2. Step 2: Convert to fraction form
    104,184.39/143,775.13 = 56,437.70/x
  3. Step 3: Cross multiply
    104,184.39x = 143,775.13 × 56,437.70
  4. Step 4: Simplify right side
    104,184.39x = 8,114,337,654.40
  5. Step 5: Solve for x
    x = 8,114,337,654.40/104,184.39
  6. Step 6: Final answer
    x = 77,884.39

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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.