Home / 185,035.15-255,353.46-112,413.31

Finding the Fourth Proportional to 185,035.15, 255,353.46 and 112,413.31

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Solution

The fourth proportional to 185,035.15, 255,353.46 and 112,413.31 is: 155,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,035.15 : 255,353.46 = 112,413.31 : x
  2. Step 2: Convert to fraction form
    185,035.15/255,353.46 = 112,413.31/x
  3. Step 3: Cross multiply
    185,035.15x = 255,353.46 × 112,413.31
  4. Step 4: Simplify right side
    185,035.15x = 28,705,127,658.55
  5. Step 5: Solve for x
    x = 28,705,127,658.55/185,035.15
  6. Step 6: Final answer
    x = 155,133.38

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1.5x scale

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.