Home / 346,758.36-520,287.80-122,279.19

Finding the Fourth Proportional to 346,758.36, 520,287.80 and 122,279.19

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Solution

The fourth proportional to 346,758.36, 520,287.80 and 122,279.19 is: 183,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,758.36 : 520,287.80 = 122,279.19 : x
  2. Step 2: Convert to fraction form
    346,758.36/520,287.80 = 122,279.19/x
  3. Step 3: Cross multiply
    346,758.36x = 520,287.80 × 122,279.19
  4. Step 4: Simplify right side
    346,758.36x = 63,620,370,139.49
  5. Step 5: Solve for x
    x = 63,620,370,139.49/346,758.36
  6. Step 6: Final answer
    x = 183,471.77

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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.