Home / 150,569.62-207,784.66-82,585.20

Finding the Fourth Proportional to 150,569.62, 207,784.66 and 82,585.20

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Solution

The fourth proportional to 150,569.62, 207,784.66 and 82,585.20 is: 113,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,569.62 : 207,784.66 = 82,585.20 : x
  2. Step 2: Convert to fraction form
    150,569.62/207,784.66 = 82,585.20/x
  3. Step 3: Cross multiply
    150,569.62x = 207,784.66 × 82,585.20
  4. Step 4: Simplify right side
    150,569.62x = 17,159,937,703.03
  5. Step 5: Solve for x
    x = 17,159,937,703.03/150,569.62
  6. Step 6: Final answer
    x = 113,966.80

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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.