Home / 346,281.60-519,356.78-121,589.22

Finding the Fourth Proportional to 346,281.60, 519,356.78 and 121,589.22

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Solution

The fourth proportional to 346,281.60, 519,356.78 and 121,589.22 is: 182,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,281.60 : 519,356.78 = 121,589.22 : x
  2. Step 2: Convert to fraction form
    346,281.60/519,356.78 = 121,589.22/x
  3. Step 3: Cross multiply
    346,281.60x = 519,356.78 × 121,589.22
  4. Step 4: Simplify right side
    346,281.60x = 63,148,185,781.91
  5. Step 5: Solve for x
    x = 63,148,185,781.91/346,281.60
  6. Step 6: Final answer
    x = 182,360.79

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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.