Home / 211,880.17-292,323.25-119,986.87

Finding the Fourth Proportional to 211,880.17, 292,323.25 and 119,986.87

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Solution

The fourth proportional to 211,880.17, 292,323.25 and 119,986.87 is: 165,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,880.17 : 292,323.25 = 119,986.87 : x
  2. Step 2: Convert to fraction form
    211,880.17/292,323.25 = 119,986.87/x
  3. Step 3: Cross multiply
    211,880.17x = 292,323.25 × 119,986.87
  4. Step 4: Simplify right side
    211,880.17x = 35,074,951,795.73
  5. Step 5: Solve for x
    x = 35,074,951,795.73/211,880.17
  6. Step 6: Final answer
    x = 165,541.46

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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.