Home / 208,275.10-312,281.39-176,696.17

Finding the Fourth Proportional to 208,275.10, 312,281.39 and 176,696.17

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Solution

The fourth proportional to 208,275.10, 312,281.39 and 176,696.17 is: 264,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,275.10 : 312,281.39 = 176,696.17 : x
  2. Step 2: Convert to fraction form
    208,275.10/312,281.39 = 176,696.17/x
  3. Step 3: Cross multiply
    208,275.10x = 312,281.39 × 176,696.17
  4. Step 4: Simplify right side
    208,275.10x = 55,178,925,236.31
  5. Step 5: Solve for x
    x = 55,178,925,236.31/208,275.10
  6. Step 6: Final answer
    x = 264,932.90

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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.