Home / 130,875.78-196,305.85-46,631.48

Finding the Fourth Proportional to 130,875.78, 196,305.85 and 46,631.48

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Solution

The fourth proportional to 130,875.78, 196,305.85 and 46,631.48 is: 69,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,875.78 : 196,305.85 = 46,631.48 : x
  2. Step 2: Convert to fraction form
    130,875.78/196,305.85 = 46,631.48/x
  3. Step 3: Cross multiply
    130,875.78x = 196,305.85 × 46,631.48
  4. Step 4: Simplify right side
    130,875.78x = 9,154,032,630.29
  5. Step 5: Solve for x
    x = 9,154,032,630.29/130,875.78
  6. Step 6: Final answer
    x = 69,944.43

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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.