Home / 179,518.95-269,328.33-78,325.83

Finding the Fourth Proportional to 179,518.95, 269,328.33 and 78,325.83

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Solution

The fourth proportional to 179,518.95, 269,328.33 and 78,325.83 is: 117,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,518.95 : 269,328.33 = 78,325.83 : x
  2. Step 2: Convert to fraction form
    179,518.95/269,328.33 = 78,325.83/x
  3. Step 3: Cross multiply
    179,518.95x = 269,328.33 × 78,325.83
  4. Step 4: Simplify right side
    179,518.95x = 21,095,364,989.76
  5. Step 5: Solve for x
    x = 21,095,364,989.76/179,518.95
  6. Step 6: Final answer
    x = 117,510.52

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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.