Home / 301,487.04-416,085.12-172,437.36

Finding the Fourth Proportional to 301,487.04, 416,085.12 and 172,437.36

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Solution

The fourth proportional to 301,487.04, 416,085.12 and 172,437.36 is: 237,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,487.04 : 416,085.12 = 172,437.36 : x
  2. Step 2: Convert to fraction form
    301,487.04/416,085.12 = 172,437.36/x
  3. Step 3: Cross multiply
    301,487.04x = 416,085.12 × 172,437.36
  4. Step 4: Simplify right side
    301,487.04x = 71,748,619,628.08
  5. Step 5: Solve for x
    x = 71,748,619,628.08/301,487.04
  6. Step 6: Final answer
    x = 237,982.43

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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.