Home / 213,974.95-295,281.82-118,479.60

Finding the Fourth Proportional to 213,974.95, 295,281.82 and 118,479.60

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Solution

The fourth proportional to 213,974.95, 295,281.82 and 118,479.60 is: 163,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,974.95 : 295,281.82 = 118,479.60 : x
  2. Step 2: Convert to fraction form
    213,974.95/295,281.82 = 118,479.60/x
  3. Step 3: Cross multiply
    213,974.95x = 295,281.82 × 118,479.60
  4. Step 4: Simplify right side
    213,974.95x = 34,984,871,920.87
  5. Step 5: Solve for x
    x = 34,984,871,920.87/213,974.95
  6. Step 6: Final answer
    x = 163,499.85

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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.