Home / 211,595.47-317,444.45-121,695.69

Finding the Fourth Proportional to 211,595.47, 317,444.45 and 121,695.69

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Solution

The fourth proportional to 211,595.47, 317,444.45 and 121,695.69 is: 182,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,595.47 : 317,444.45 = 121,695.69 : x
  2. Step 2: Convert to fraction form
    211,595.47/317,444.45 = 121,695.69/x
  3. Step 3: Cross multiply
    211,595.47x = 317,444.45 × 121,695.69
  4. Step 4: Simplify right side
    211,595.47x = 38,631,620,770.94
  5. Step 5: Solve for x
    x = 38,631,620,770.94/211,595.47
  6. Step 6: Final answer
    x = 182,573.01

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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.