Home / 257,829.12-355,566.24-171,836.40

Finding the Fourth Proportional to 257,829.12, 355,566.24 and 171,836.40

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Solution

The fourth proportional to 257,829.12, 355,566.24 and 171,836.40 is: 236,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,829.12 : 355,566.24 = 171,836.40 : x
  2. Step 2: Convert to fraction form
    257,829.12/355,566.24 = 171,836.40/x
  3. Step 3: Cross multiply
    257,829.12x = 355,566.24 × 171,836.40
  4. Step 4: Simplify right side
    257,829.12x = 61,099,222,643.14
  5. Step 5: Solve for x
    x = 61,099,222,643.14/257,829.12
  6. Step 6: Final answer
    x = 236,975.65

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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.