Home / 340,717.13-470,199.35-189,823.85

Finding the Fourth Proportional to 340,717.13, 470,199.35 and 189,823.85

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Solution

The fourth proportional to 340,717.13, 470,199.35 and 189,823.85 is: 261,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,717.13 : 470,199.35 = 189,823.85 : x
  2. Step 2: Convert to fraction form
    340,717.13/470,199.35 = 189,823.85/x
  3. Step 3: Cross multiply
    340,717.13x = 470,199.35 × 189,823.85
  4. Step 4: Simplify right side
    340,717.13x = 89,255,049,008.06
  5. Step 5: Solve for x
    x = 89,255,049,008.06/340,717.13
  6. Step 6: Final answer
    x = 261,962.32

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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.