Home / 127,683.45-176,201.43-71,094.83

Finding the Fourth Proportional to 127,683.45, 176,201.43 and 71,094.83

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Solution

The fourth proportional to 127,683.45, 176,201.43 and 71,094.83 is: 98,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683.45 : 176,201.43 = 71,094.83 : x
  2. Step 2: Convert to fraction form
    127,683.45/176,201.43 = 71,094.83/x
  3. Step 3: Cross multiply
    127,683.45x = 176,201.43 × 71,094.83
  4. Step 4: Simplify right side
    127,683.45x = 12,527,009,830.60
  5. Step 5: Solve for x
    x = 12,527,009,830.60/127,683.45
  6. Step 6: Final answer
    x = 98,109.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.