Home / 346,619.80-519,492.30-168,743.80

Finding the Fourth Proportional to 346,619.80, 519,492.30 and 168,743.80

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Solution

The fourth proportional to 346,619.80, 519,492.30 and 168,743.80 is: 252,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,619.80 : 519,492.30 = 168,743.80 : x
  2. Step 2: Convert to fraction form
    346,619.80/519,492.30 = 168,743.80/x
  3. Step 3: Cross multiply
    346,619.80x = 519,492.30 × 168,743.80
  4. Step 4: Simplify right side
    346,619.80x = 87,661,104,772.74
  5. Step 5: Solve for x
    x = 87,661,104,772.74/346,619.80
  6. Step 6: Final answer
    x = 252,902.76

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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.