Home / 346,428.30-519,253.65-146,714.70

Finding the Fourth Proportional to 346,428.30, 519,253.65 and 146,714.70

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Solution

The fourth proportional to 346,428.30, 519,253.65 and 146,714.70 is: 219,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,428.30 : 519,253.65 = 146,714.70 : x
  2. Step 2: Convert to fraction form
    346,428.30/519,253.65 = 146,714.70/x
  3. Step 3: Cross multiply
    346,428.30x = 519,253.65 × 146,714.70
  4. Step 4: Simplify right side
    346,428.30x = 76,182,143,483.66
  5. Step 5: Solve for x
    x = 76,182,143,483.66/346,428.30
  6. Step 6: Final answer
    x = 219,907.39

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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.