Home / 217,176.12-299,461.86-136,506.60

Finding the Fourth Proportional to 217,176.12, 299,461.86 and 136,506.60

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Solution

The fourth proportional to 217,176.12, 299,461.86 and 136,506.60 is: 188,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,176.12 : 299,461.86 = 136,506.60 : x
  2. Step 2: Convert to fraction form
    217,176.12/299,461.86 = 136,506.60/x
  3. Step 3: Cross multiply
    217,176.12x = 299,461.86 × 136,506.60
  4. Step 4: Simplify right side
    217,176.12x = 40,878,520,338.28
  5. Step 5: Solve for x
    x = 40,878,520,338.28/217,176.12
  6. Step 6: Final answer
    x = 188,227.51

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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.