Home / 157,345.60-217,413.12-125,775.04

Finding the Fourth Proportional to 157,345.60, 217,413.12 and 125,775.04

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Solution

The fourth proportional to 157,345.60, 217,413.12 and 125,775.04 is: 173,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,345.60 : 217,413.12 = 125,775.04 : x
  2. Step 2: Convert to fraction form
    157,345.60/217,413.12 = 125,775.04/x
  3. Step 3: Cross multiply
    157,345.60x = 217,413.12 × 125,775.04
  4. Step 4: Simplify right side
    157,345.60x = 27,345,143,864.52
  5. Step 5: Solve for x
    x = 27,345,143,864.52/157,345.60
  6. Step 6: Final answer
    x = 173,790.33

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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.