Home / 314,543.40-472,009.50-127,556.52

Finding the Fourth Proportional to 314,543.40, 472,009.50 and 127,556.52

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Solution

The fourth proportional to 314,543.40, 472,009.50 and 127,556.52 is: 191,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,543.40 : 472,009.50 = 127,556.52 : x
  2. Step 2: Convert to fraction form
    314,543.40/472,009.50 = 127,556.52/x
  3. Step 3: Cross multiply
    314,543.40x = 472,009.50 × 127,556.52
  4. Step 4: Simplify right side
    314,543.40x = 60,207,889,226.94
  5. Step 5: Solve for x
    x = 60,207,889,226.94/314,543.40
  6. Step 6: Final answer
    x = 191,413.61

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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.