Home / 274,244.22-378,457.91-153,387.58

Finding the Fourth Proportional to 274,244.22, 378,457.91 and 153,387.58

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Solution

The fourth proportional to 274,244.22, 378,457.91 and 153,387.58 is: 211,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,244.22 : 378,457.91 = 153,387.58 : x
  2. Step 2: Convert to fraction form
    274,244.22/378,457.91 = 153,387.58/x
  3. Step 3: Cross multiply
    274,244.22x = 378,457.91 × 153,387.58
  4. Step 4: Simplify right side
    274,244.22x = 58,050,742,946.76
  5. Step 5: Solve for x
    x = 58,050,742,946.76/274,244.22
  6. Step 6: Final answer
    x = 211,675.36

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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.