Home / 130,877.31-196,316.71-46,640.70

Finding the Fourth Proportional to 130,877.31, 196,316.71 and 46,640.70

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Solution

The fourth proportional to 130,877.31, 196,316.71 and 46,640.70 is: 69,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,877.31 : 196,316.71 = 46,640.70 : x
  2. Step 2: Convert to fraction form
    130,877.31/196,316.71 = 46,640.70/x
  3. Step 3: Cross multiply
    130,877.31x = 196,316.71 × 46,640.70
  4. Step 4: Simplify right side
    130,877.31x = 9,156,349,395.68
  5. Step 5: Solve for x
    x = 9,156,349,395.68/130,877.31
  6. Step 6: Final answer
    x = 69,961.32

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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.