Home / 346,344.60-519,387.30-121,618.20

Finding the Fourth Proportional to 346,344.60, 519,387.30 and 121,618.20

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Solution

The fourth proportional to 346,344.60, 519,387.30 and 121,618.20 is: 182,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,344.60 : 519,387.30 = 121,618.20 : x
  2. Step 2: Convert to fraction form
    346,344.60/519,387.30 = 121,618.20/x
  3. Step 3: Cross multiply
    346,344.60x = 519,387.30 × 121,618.20
  4. Step 4: Simplify right side
    346,344.60x = 63,166,948,528.86
  5. Step 5: Solve for x
    x = 63,166,948,528.86/346,344.60
  6. Step 6: Final answer
    x = 182,381.79

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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.