Home / 516,482.18-774,767.95-142,505.14

Finding the Fourth Proportional to 516,482.18, 774,767.95 and 142,505.14

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Solution

The fourth proportional to 516,482.18, 774,767.95 and 142,505.14 is: 213,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,482.18 : 774,767.95 = 142,505.14 : x
  2. Step 2: Convert to fraction form
    516,482.18/774,767.95 = 142,505.14/x
  3. Step 3: Cross multiply
    516,482.18x = 774,767.95 × 142,505.14
  4. Step 4: Simplify right side
    516,482.18x = 110,408,415,182.26
  5. Step 5: Solve for x
    x = 110,408,415,182.26/516,482.18
  6. Step 6: Final answer
    x = 213,770.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.