Home / 127,683.60-176,201.73-70,321.83

Finding the Fourth Proportional to 127,683.60, 176,201.73 and 70,321.83

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Solution

The fourth proportional to 127,683.60, 176,201.73 and 70,321.83 is: 97,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683.60 : 176,201.73 = 70,321.83 : x
  2. Step 2: Convert to fraction form
    127,683.60/176,201.73 = 70,321.83/x
  3. Step 3: Cross multiply
    127,683.60x = 176,201.73 × 70,321.83
  4. Step 4: Simplify right side
    127,683.60x = 12,390,828,102.77
  5. Step 5: Solve for x
    x = 12,390,828,102.77/127,683.60
  6. Step 6: Final answer
    x = 97,043.22

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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.