Home / 130,695.40-196,280.70-114,365.80

Finding the Fourth Proportional to 130,695.40, 196,280.70 and 114,365.80

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Solution

The fourth proportional to 130,695.40, 196,280.70 and 114,365.80 is: 171,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,695.40 : 196,280.70 = 114,365.80 : x
  2. Step 2: Convert to fraction form
    130,695.40/196,280.70 = 114,365.80/x
  3. Step 3: Cross multiply
    130,695.40x = 196,280.70 × 114,365.80
  4. Step 4: Simplify right side
    130,695.40x = 22,447,799,280.06
  5. Step 5: Solve for x
    x = 22,447,799,280.06/130,695.40
  6. Step 6: Final answer
    x = 171,756.61

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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.