Home / 157,630.16-217,537.96-90,566.48

Finding the Fourth Proportional to 157,630.16, 217,537.96 and 90,566.48

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Solution

The fourth proportional to 157,630.16, 217,537.96 and 90,566.48 is: 124,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,630.16 : 217,537.96 = 90,566.48 : x
  2. Step 2: Convert to fraction form
    157,630.16/217,537.96 = 90,566.48/x
  3. Step 3: Cross multiply
    157,630.16x = 217,537.96 × 90,566.48
  4. Step 4: Simplify right side
    157,630.16x = 19,701,647,303.58
  5. Step 5: Solve for x
    x = 19,701,647,303.58/157,630.16
  6. Step 6: Final answer
    x = 124,986.53

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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.