Home / 234,189.83-351,306.80-65,709.51

Finding the Fourth Proportional to 234,189.83, 351,306.80 and 65,709.51

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Solution

The fourth proportional to 234,189.83, 351,306.80 and 65,709.51 is: 98,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,189.83 : 351,306.80 = 65,709.51 : x
  2. Step 2: Convert to fraction form
    234,189.83/351,306.80 = 65,709.51/x
  3. Step 3: Cross multiply
    234,189.83x = 351,306.80 × 65,709.51
  4. Step 4: Simplify right side
    234,189.83x = 23,084,197,359.12
  5. Step 5: Solve for x
    x = 23,084,197,359.12/234,189.83
  6. Step 6: Final answer
    x = 98,570.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.