Home / 370,103.04-510,742.80-200,337.84

Finding the Fourth Proportional to 370,103.04, 510,742.80 and 200,337.84

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Solution

The fourth proportional to 370,103.04, 510,742.80 and 200,337.84 is: 276,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,103.04 : 510,742.80 = 200,337.84 : x
  2. Step 2: Convert to fraction form
    370,103.04/510,742.80 = 200,337.84/x
  3. Step 3: Cross multiply
    370,103.04x = 510,742.80 × 200,337.84
  4. Step 4: Simplify right side
    370,103.04x = 102,321,109,347.55
  5. Step 5: Solve for x
    x = 102,321,109,347.55/370,103.04
  6. Step 6: Final answer
    x = 276,466.55

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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.