Home / 211,922.68-317,900.43-60,117.20

Finding the Fourth Proportional to 211,922.68, 317,900.43 and 60,117.20

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Solution

The fourth proportional to 211,922.68, 317,900.43 and 60,117.20 is: 90,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,922.68 : 317,900.43 = 60,117.20 : x
  2. Step 2: Convert to fraction form
    211,922.68/317,900.43 = 60,117.20/x
  3. Step 3: Cross multiply
    211,922.68x = 317,900.43 × 60,117.20
  4. Step 4: Simplify right side
    211,922.68x = 19,111,283,730.40
  5. Step 5: Solve for x
    x = 19,111,283,730.40/211,922.68
  6. Step 6: Final answer
    x = 90,180.46

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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.