Home / 105,502.48-158,342.24-98,851.95

Finding the Fourth Proportional to 105,502.48, 158,342.24 and 98,851.95

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Solution

The fourth proportional to 105,502.48, 158,342.24 and 98,851.95 is: 148,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,502.48 : 158,342.24 = 98,851.95 : x
  2. Step 2: Convert to fraction form
    105,502.48/158,342.24 = 98,851.95/x
  3. Step 3: Cross multiply
    105,502.48x = 158,342.24 × 98,851.95
  4. Step 4: Simplify right side
    105,502.48x = 15,652,439,883.84
  5. Step 5: Solve for x
    x = 15,652,439,883.84/105,502.48
  6. Step 6: Final answer
    x = 148,360.87

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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.