Home / 130,172.22-195,370.65-63,661.50

Finding the Fourth Proportional to 130,172.22, 195,370.65 and 63,661.50

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Solution

The fourth proportional to 130,172.22, 195,370.65 and 63,661.50 is: 95,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,172.22 : 195,370.65 = 63,661.50 : x
  2. Step 2: Convert to fraction form
    130,172.22/195,370.65 = 63,661.50/x
  3. Step 3: Cross multiply
    130,172.22x = 195,370.65 × 63,661.50
  4. Step 4: Simplify right side
    130,172.22x = 12,437,588,634.98
  5. Step 5: Solve for x
    x = 12,437,588,634.98/130,172.22
  6. Step 6: Final answer
    x = 95,547.18

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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.