Home / 206,317.18-284,841.93-134,816.86

Finding the Fourth Proportional to 206,317.18, 284,841.93 and 134,816.86

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Solution

The fourth proportional to 206,317.18, 284,841.93 and 134,816.86 is: 186,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,317.18 : 284,841.93 = 134,816.86 : x
  2. Step 2: Convert to fraction form
    206,317.18/284,841.93 = 134,816.86/x
  3. Step 3: Cross multiply
    206,317.18x = 284,841.93 × 134,816.86
  4. Step 4: Simplify right side
    206,317.18x = 38,401,494,598.94
  5. Step 5: Solve for x
    x = 38,401,494,598.94/206,317.18
  6. Step 6: Final answer
    x = 186,128.44

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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.