Home / 127,035.76-174,910.20-107,875.36

Finding the Fourth Proportional to 127,035.76, 174,910.20 and 107,875.36

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Solution

The fourth proportional to 127,035.76, 174,910.20 and 107,875.36 is: 148,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,035.76 : 174,910.20 = 107,875.36 : x
  2. Step 2: Convert to fraction form
    127,035.76/174,910.20 = 107,875.36/x
  3. Step 3: Cross multiply
    127,035.76x = 174,910.20 × 107,875.36
  4. Step 4: Simplify right side
    127,035.76x = 18,868,500,792.67
  5. Step 5: Solve for x
    x = 18,868,500,792.67/127,035.76
  6. Step 6: Final answer
    x = 148,529.05

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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.