Home / 346,058.80-519,088.20-121,672.60

Finding the Fourth Proportional to 346,058.80, 519,088.20 and 121,672.60

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Solution

The fourth proportional to 346,058.80, 519,088.20 and 121,672.60 is: 182,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,058.80 : 519,088.20 = 121,672.60 : x
  2. Step 2: Convert to fraction form
    346,058.80/519,088.20 = 121,672.60/x
  3. Step 3: Cross multiply
    346,058.80x = 519,088.20 × 121,672.60
  4. Step 4: Simplify right side
    346,058.80x = 63,158,810,923.32
  5. Step 5: Solve for x
    x = 63,158,810,923.32/346,058.80
  6. Step 6: Final answer
    x = 182,508.90

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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.