Home / 216,731.12-299,111.44-124,853.60

Finding the Fourth Proportional to 216,731.12, 299,111.44 and 124,853.60

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Solution

The fourth proportional to 216,731.12, 299,111.44 and 124,853.60 is: 172,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,731.12 : 299,111.44 = 124,853.60 : x
  2. Step 2: Convert to fraction form
    216,731.12/299,111.44 = 124,853.60/x
  3. Step 3: Cross multiply
    216,731.12x = 299,111.44 × 124,853.60
  4. Step 4: Simplify right side
    216,731.12x = 37,345,140,085.18
  5. Step 5: Solve for x
    x = 37,345,140,085.18/216,731.12
  6. Step 6: Final answer
    x = 172,310.93

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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.