Home / 369,613.28-510,066-199,847.04

Finding the Fourth Proportional to 369,613.28, 510,066 and 199,847.04

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Solution

The fourth proportional to 369,613.28, 510,066 and 199,847.04 is: 275,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,613.28 : 510,066 = 199,847.04 : x
  2. Step 2: Convert to fraction form
    369,613.28/510,066 = 199,847.04/x
  3. Step 3: Cross multiply
    369,613.28x = 510,066 × 199,847.04
  4. Step 4: Simplify right side
    369,613.28x = 101,935,180,304.64
  5. Step 5: Solve for x
    x = 101,935,180,304.64/369,613.28
  6. Step 6: Final answer
    x = 275,788.74

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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.