Home / 216,746.24-299,132.32-124,868.64

Finding the Fourth Proportional to 216,746.24, 299,132.32 and 124,868.64

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Solution

The fourth proportional to 216,746.24, 299,132.32 and 124,868.64 is: 172,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,746.24 : 299,132.32 = 124,868.64 : x
  2. Step 2: Convert to fraction form
    216,746.24/299,132.32 = 124,868.64/x
  3. Step 3: Cross multiply
    216,746.24x = 299,132.32 × 124,868.64
  4. Step 4: Simplify right side
    216,746.24x = 37,352,245,978.44
  5. Step 5: Solve for x
    x = 37,352,245,978.44/216,746.24
  6. Step 6: Final answer
    x = 172,331.69

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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.