Home / 107,160.15-160,746.91-28,274.46

Finding the Fourth Proportional to 107,160.15, 160,746.91 and 28,274.46

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Solution

The fourth proportional to 107,160.15, 160,746.91 and 28,274.46 is: 42,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,160.15 : 160,746.91 = 28,274.46 : x
  2. Step 2: Convert to fraction form
    107,160.15/160,746.91 = 28,274.46/x
  3. Step 3: Cross multiply
    107,160.15x = 160,746.91 × 28,274.46
  4. Step 4: Simplify right side
    107,160.15x = 4,545,031,273.18
  5. Step 5: Solve for x
    x = 4,545,031,273.18/107,160.15
  6. Step 6: Final answer
    x = 42,413.45

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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.