Home / 346,891.76-478,719.96-195,985.52

Finding the Fourth Proportional to 346,891.76, 478,719.96 and 195,985.52

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Solution

The fourth proportional to 346,891.76, 478,719.96 and 195,985.52 is: 270,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,891.76 : 478,719.96 = 195,985.52 : x
  2. Step 2: Convert to fraction form
    346,891.76/478,719.96 = 195,985.52/x
  3. Step 3: Cross multiply
    346,891.76x = 478,719.96 × 195,985.52
  4. Step 4: Simplify right side
    346,891.76x = 93,822,180,294.98
  5. Step 5: Solve for x
    x = 93,822,180,294.98/346,891.76
  6. Step 6: Final answer
    x = 270,465.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.