Home / 116,852.20-174,875.10-70,138.60

Finding the Fourth Proportional to 116,852.20, 174,875.10 and 70,138.60

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Solution

The fourth proportional to 116,852.20, 174,875.10 and 70,138.60 is: 104,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,852.20 : 174,875.10 = 70,138.60 : x
  2. Step 2: Convert to fraction form
    116,852.20/174,875.10 = 70,138.60/x
  3. Step 3: Cross multiply
    116,852.20x = 174,875.10 × 70,138.60
  4. Step 4: Simplify right side
    116,852.20x = 12,265,494,688.86
  5. Step 5: Solve for x
    x = 12,265,494,688.86/116,852.20
  6. Step 6: Final answer
    x = 104,965.89

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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.