Home / 346,685.18-519,139.98-239,921.31

Finding the Fourth Proportional to 346,685.18, 519,139.98 and 239,921.31

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Solution

The fourth proportional to 346,685.18, 519,139.98 and 239,921.31 is: 359,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,685.18 : 519,139.98 = 239,921.31 : x
  2. Step 2: Convert to fraction form
    346,685.18/519,139.98 = 239,921.31/x
  3. Step 3: Cross multiply
    346,685.18x = 519,139.98 × 239,921.31
  4. Step 4: Simplify right side
    346,685.18x = 124,552,744,074.97
  5. Step 5: Solve for x
    x = 124,552,744,074.97/346,685.18
  6. Step 6: Final answer
    x = 359,267.57

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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.