Home / 213,932.08-295,215.02-117,117.40

Finding the Fourth Proportional to 213,932.08, 295,215.02 and 117,117.40

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Solution

The fourth proportional to 213,932.08, 295,215.02 and 117,117.40 is: 161,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,932.08 : 295,215.02 = 117,117.40 : x
  2. Step 2: Convert to fraction form
    213,932.08/295,215.02 = 117,117.40/x
  3. Step 3: Cross multiply
    213,932.08x = 295,215.02 × 117,117.40
  4. Step 4: Simplify right side
    213,932.08x = 34,574,815,583.35
  5. Step 5: Solve for x
    x = 34,574,815,583.35/213,932.08
  6. Step 6: Final answer
    x = 161,615.85

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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.