Home / 257,140.26-384,146.68-166,444.15

Finding the Fourth Proportional to 257,140.26, 384,146.68 and 166,444.15

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Solution

The fourth proportional to 257,140.26, 384,146.68 and 166,444.15 is: 248,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,140.26 : 384,146.68 = 166,444.15 : x
  2. Step 2: Convert to fraction form
    257,140.26/384,146.68 = 166,444.15/x
  3. Step 3: Cross multiply
    257,140.26x = 384,146.68 × 166,444.15
  4. Step 4: Simplify right side
    257,140.26x = 63,938,967,627.92
  5. Step 5: Solve for x
    x = 63,938,967,627.92/257,140.26
  6. Step 6: Final answer
    x = 248,654.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.