Home / 216,684.16-325,139.52-88,695.40

Finding the Fourth Proportional to 216,684.16, 325,139.52 and 88,695.40

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Solution

The fourth proportional to 216,684.16, 325,139.52 and 88,695.40 is: 133,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,684.16 : 325,139.52 = 88,695.40 : x
  2. Step 2: Convert to fraction form
    216,684.16/325,139.52 = 88,695.40/x
  3. Step 3: Cross multiply
    216,684.16x = 325,139.52 × 88,695.40
  4. Step 4: Simplify right side
    216,684.16x = 28,838,379,782.21
  5. Step 5: Solve for x
    x = 28,838,379,782.21/216,684.16
  6. Step 6: Final answer
    x = 133,089.47

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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.