Home / 130,842.90-196,129.71-52,012.98

Finding the Fourth Proportional to 130,842.90, 196,129.71 and 52,012.98

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Solution

The fourth proportional to 130,842.90, 196,129.71 and 52,012.98 is: 77,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,842.90 : 196,129.71 = 52,012.98 : x
  2. Step 2: Convert to fraction form
    130,842.90/196,129.71 = 52,012.98/x
  3. Step 3: Cross multiply
    130,842.90x = 196,129.71 × 52,012.98
  4. Step 4: Simplify right side
    130,842.90x = 10,201,290,683.64
  5. Step 5: Solve for x
    x = 10,201,290,683.64/130,842.90
  6. Step 6: Final answer
    x = 77,965.95

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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.