Home / 346,311.60-519,370.20-109,726.80

Finding the Fourth Proportional to 346,311.60, 519,370.20 and 109,726.80

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Solution

The fourth proportional to 346,311.60, 519,370.20 and 109,726.80 is: 164,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,311.60 : 519,370.20 = 109,726.80 : x
  2. Step 2: Convert to fraction form
    346,311.60/519,370.20 = 109,726.80/x
  3. Step 3: Cross multiply
    346,311.60x = 519,370.20 × 109,726.80
  4. Step 4: Simplify right side
    346,311.60x = 56,988,830,061.36
  5. Step 5: Solve for x
    x = 56,988,830,061.36/346,311.60
  6. Step 6: Final answer
    x = 164,559.40

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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.