Home / 115,390.19-173,162.60-40,510.56

Finding the Fourth Proportional to 115,390.19, 173,162.60 and 40,510.56

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Solution

The fourth proportional to 115,390.19, 173,162.60 and 40,510.56 is: 60,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,390.19 : 173,162.60 = 40,510.56 : x
  2. Step 2: Convert to fraction form
    115,390.19/173,162.60 = 40,510.56/x
  3. Step 3: Cross multiply
    115,390.19x = 173,162.60 × 40,510.56
  4. Step 4: Simplify right side
    115,390.19x = 7,014,913,897.06
  5. Step 5: Solve for x
    x = 7,014,913,897.06/115,390.19
  6. Step 6: Final answer
    x = 60,792.98

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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.