Home / 217,063.17-299,518.74-125,185.86

Finding the Fourth Proportional to 217,063.17, 299,518.74 and 125,185.86

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Solution

The fourth proportional to 217,063.17, 299,518.74 and 125,185.86 is: 172,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,063.17 : 299,518.74 = 125,185.86 : x
  2. Step 2: Convert to fraction form
    217,063.17/299,518.74 = 125,185.86/x
  3. Step 3: Cross multiply
    217,063.17x = 299,518.74 × 125,185.86
  4. Step 4: Simplify right side
    217,063.17x = 37,495,511,053.02
  5. Step 5: Solve for x
    x = 37,495,511,053.02/217,063.17
  6. Step 6: Final answer
    x = 172,740.09

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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.