Home / 672,143.04-1,008,188.48-166,705.28

Finding the Fourth Proportional to 672,143.04, 1,008,188.48 and 166,705.28

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Solution

The fourth proportional to 672,143.04, 1,008,188.48 and 166,705.28 is: 250,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,143.04 : 1,008,188.48 = 166,705.28 : x
  2. Step 2: Convert to fraction form
    672,143.04/1,008,188.48 = 166,705.28/x
  3. Step 3: Cross multiply
    672,143.04x = 1,008,188.48 × 166,705.28
  4. Step 4: Simplify right side
    672,143.04x = 168,070,342,851.17
  5. Step 5: Solve for x
    x = 168,070,342,851.17/672,143.04
  6. Step 6: Final answer
    x = 250,051.45

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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.