Home / 346,456.50-478,110-195,563.22

Finding the Fourth Proportional to 346,456.50, 478,110 and 195,563.22

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Solution

The fourth proportional to 346,456.50, 478,110 and 195,563.22 is: 269,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,456.50 : 478,110 = 195,563.22 : x
  2. Step 2: Convert to fraction form
    346,456.50/478,110 = 195,563.22/x
  3. Step 3: Cross multiply
    346,456.50x = 478,110 × 195,563.22
  4. Step 4: Simplify right side
    346,456.50x = 93,500,731,114.20
  5. Step 5: Solve for x
    x = 93,500,731,114.20/346,456.50
  6. Step 6: Final answer
    x = 269,877.26

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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.