Home / 207,156.72-285,714.30-134,583

Finding the Fourth Proportional to 207,156.72, 285,714.30 and 134,583

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Solution

The fourth proportional to 207,156.72, 285,714.30 and 134,583 is: 185,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,156.72 : 285,714.30 = 134,583 : x
  2. Step 2: Convert to fraction form
    207,156.72/285,714.30 = 134,583/x
  3. Step 3: Cross multiply
    207,156.72x = 285,714.30 × 134,583
  4. Step 4: Simplify right side
    207,156.72x = 38,452,287,636.90
  5. Step 5: Solve for x
    x = 38,452,287,636.90/207,156.72
  6. Step 6: Final answer
    x = 185,619.31

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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.