Home / 157,076.70-235,615.05-97,289.60

Finding the Fourth Proportional to 157,076.70, 235,615.05 and 97,289.60

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Solution

The fourth proportional to 157,076.70, 235,615.05 and 97,289.60 is: 145,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,076.70 : 235,615.05 = 97,289.60 : x
  2. Step 2: Convert to fraction form
    157,076.70/235,615.05 = 97,289.60/x
  3. Step 3: Cross multiply
    157,076.70x = 235,615.05 × 97,289.60
  4. Step 4: Simplify right side
    157,076.70x = 22,922,893,968.48
  5. Step 5: Solve for x
    x = 22,922,893,968.48/157,076.70
  6. Step 6: Final answer
    x = 145,934.40

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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.