Home / 130,111.32-195,164.30-41,365

Finding the Fourth Proportional to 130,111.32, 195,164.30 and 41,365

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Solution

The fourth proportional to 130,111.32, 195,164.30 and 41,365 is: 62,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,111.32 : 195,164.30 = 41,365 : x
  2. Step 2: Convert to fraction form
    130,111.32/195,164.30 = 41,365/x
  3. Step 3: Cross multiply
    130,111.32x = 195,164.30 × 41,365
  4. Step 4: Simplify right side
    130,111.32x = 8,072,971,269.50
  5. Step 5: Solve for x
    x = 8,072,971,269.50/130,111.32
  6. Step 6: Final answer
    x = 62,046.65

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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.