Home / 233,009.16-349,618.35-138,424.17

Finding the Fourth Proportional to 233,009.16, 349,618.35 and 138,424.17

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Solution

The fourth proportional to 233,009.16, 349,618.35 and 138,424.17 is: 207,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,009.16 : 349,618.35 = 138,424.17 : x
  2. Step 2: Convert to fraction form
    233,009.16/349,618.35 = 138,424.17/x
  3. Step 3: Cross multiply
    233,009.16x = 349,618.35 × 138,424.17
  4. Step 4: Simplify right side
    233,009.16x = 48,395,629,915.52
  5. Step 5: Solve for x
    x = 48,395,629,915.52/233,009.16
  6. Step 6: Final answer
    x = 207,698.40

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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.