Home / 243,820.32-336,461.52-153,269.28

Finding the Fourth Proportional to 243,820.32, 336,461.52 and 153,269.28

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Solution

The fourth proportional to 243,820.32, 336,461.52 and 153,269.28 is: 211,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,820.32 : 336,461.52 = 153,269.28 : x
  2. Step 2: Convert to fraction form
    243,820.32/336,461.52 = 153,269.28/x
  3. Step 3: Cross multiply
    243,820.32x = 336,461.52 × 153,269.28
  4. Step 4: Simplify right side
    243,820.32x = 51,569,214,918.11
  5. Step 5: Solve for x
    x = 51,569,214,918.11/243,820.32
  6. Step 6: Final answer
    x = 211,504.99

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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.