Home / 229,730.24-316,981.28-134,218.49

Finding the Fourth Proportional to 229,730.24, 316,981.28 and 134,218.49

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Solution

The fourth proportional to 229,730.24, 316,981.28 and 134,218.49 is: 185,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,730.24 : 316,981.28 = 134,218.49 : x
  2. Step 2: Convert to fraction form
    229,730.24/316,981.28 = 134,218.49/x
  3. Step 3: Cross multiply
    229,730.24x = 316,981.28 × 134,218.49
  4. Step 4: Simplify right side
    229,730.24x = 42,544,746,503.87
  5. Step 5: Solve for x
    x = 42,544,746,503.87/229,730.24
  6. Step 6: Final answer
    x = 185,194.37

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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.