Home / 193,256.40-289,740.60-99,829.20

Finding the Fourth Proportional to 193,256.40, 289,740.60 and 99,829.20

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Solution

The fourth proportional to 193,256.40, 289,740.60 and 99,829.20 is: 149,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,256.40 : 289,740.60 = 99,829.20 : x
  2. Step 2: Convert to fraction form
    193,256.40/289,740.60 = 99,829.20/x
  3. Step 3: Cross multiply
    193,256.40x = 289,740.60 × 99,829.20
  4. Step 4: Simplify right side
    193,256.40x = 28,924,572,305.52
  5. Step 5: Solve for x
    x = 28,924,572,305.52/193,256.40
  6. Step 6: Final answer
    x = 149,669.41

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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.