Home / 280,175.63-386,646.71-152,851.23

Finding the Fourth Proportional to 280,175.63, 386,646.71 and 152,851.23

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Solution

The fourth proportional to 280,175.63, 386,646.71 and 152,851.23 is: 210,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,175.63 : 386,646.71 = 152,851.23 : x
  2. Step 2: Convert to fraction form
    280,175.63/386,646.71 = 152,851.23/x
  3. Step 3: Cross multiply
    280,175.63x = 386,646.71 × 152,851.23
  4. Step 4: Simplify right side
    280,175.63x = 59,099,425,198.95
  5. Step 5: Solve for x
    x = 59,099,425,198.95/280,175.63
  6. Step 6: Final answer
    x = 210,937.07

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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.