Home / 351,113.40-526,545.50-126,413.46

Finding the Fourth Proportional to 351,113.40, 526,545.50 and 126,413.46

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Solution

The fourth proportional to 351,113.40, 526,545.50 and 126,413.46 is: 189,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,113.40 : 526,545.50 = 126,413.46 : x
  2. Step 2: Convert to fraction form
    351,113.40/526,545.50 = 126,413.46/x
  3. Step 3: Cross multiply
    351,113.40x = 526,545.50 × 126,413.46
  4. Step 4: Simplify right side
    351,113.40x = 66,562,437,870.36
  5. Step 5: Solve for x
    x = 66,562,437,870.36/351,113.40
  6. Step 6: Final answer
    x = 189,575.33

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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.