Home / 216,643.22-298,962.06-119,844.56

Finding the Fourth Proportional to 216,643.22, 298,962.06 and 119,844.56

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Solution

The fourth proportional to 216,643.22, 298,962.06 and 119,844.56 is: 165,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,643.22 : 298,962.06 = 119,844.56 : x
  2. Step 2: Convert to fraction form
    216,643.22/298,962.06 = 119,844.56/x
  3. Step 3: Cross multiply
    216,643.22x = 298,962.06 × 119,844.56
  4. Step 4: Simplify right side
    216,643.22x = 35,828,975,042.58
  5. Step 5: Solve for x
    x = 35,828,975,042.58/216,643.22
  6. Step 6: Final answer
    x = 165,382.40

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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.