Home / 179,541.70-247,689-118,208.77

Finding the Fourth Proportional to 179,541.70, 247,689 and 118,208.77

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Solution

The fourth proportional to 179,541.70, 247,689 and 118,208.77 is: 163,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,541.70 : 247,689 = 118,208.77 : x
  2. Step 2: Convert to fraction form
    179,541.70/247,689 = 118,208.77/x
  3. Step 3: Cross multiply
    179,541.70x = 247,689 × 118,208.77
  4. Step 4: Simplify right side
    179,541.70x = 29,279,011,413.31
  5. Step 5: Solve for x
    x = 29,279,011,413.31/179,541.70
  6. Step 6: Final answer
    x = 163,076.39

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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.