Home / 195,148.86-269,315.70-118,655.28

Finding the Fourth Proportional to 195,148.86, 269,315.70 and 118,655.28

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Solution

The fourth proportional to 195,148.86, 269,315.70 and 118,655.28 is: 163,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,148.86 : 269,315.70 = 118,655.28 : x
  2. Step 2: Convert to fraction form
    195,148.86/269,315.70 = 118,655.28/x
  3. Step 3: Cross multiply
    195,148.86x = 269,315.70 × 118,655.28
  4. Step 4: Simplify right side
    195,148.86x = 31,955,731,317.41
  5. Step 5: Solve for x
    x = 31,955,731,317.41/195,148.86
  6. Step 6: Final answer
    x = 163,750.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.