Home / 346,835.88-520,403.94-122,356.80

Finding the Fourth Proportional to 346,835.88, 520,403.94 and 122,356.80

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Solution

The fourth proportional to 346,835.88, 520,403.94 and 122,356.80 is: 183,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,835.88 : 520,403.94 = 122,356.80 : x
  2. Step 2: Convert to fraction form
    346,835.88/520,403.94 = 122,356.80/x
  3. Step 3: Cross multiply
    346,835.88x = 520,403.94 × 122,356.80
  4. Step 4: Simplify right side
    346,835.88x = 63,674,960,805.79
  5. Step 5: Solve for x
    x = 63,674,960,805.79/346,835.88
  6. Step 6: Final answer
    x = 183,588.16

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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.