Home / 233,213.76-349,975.08-128,106

Finding the Fourth Proportional to 233,213.76, 349,975.08 and 128,106

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Solution

The fourth proportional to 233,213.76, 349,975.08 and 128,106 is: 192,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,213.76 : 349,975.08 = 128,106 : x
  2. Step 2: Convert to fraction form
    233,213.76/349,975.08 = 128,106/x
  3. Step 3: Cross multiply
    233,213.76x = 349,975.08 × 128,106
  4. Step 4: Simplify right side
    233,213.76x = 44,833,907,598.48
  5. Step 5: Solve for x
    x = 44,833,907,598.48/233,213.76
  6. Step 6: Final answer
    x = 192,243.84

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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.