Home / 316,364.20-436,582.59-173,124.29

Finding the Fourth Proportional to 316,364.20, 436,582.59 and 173,124.29

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Solution

The fourth proportional to 316,364.20, 436,582.59 and 173,124.29 is: 238,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,364.20 : 436,582.59 = 173,124.29 : x
  2. Step 2: Convert to fraction form
    316,364.20/436,582.59 = 173,124.29/x
  3. Step 3: Cross multiply
    316,364.20x = 436,582.59 × 173,124.29
  4. Step 4: Simplify right side
    316,364.20x = 75,583,050,920.11
  5. Step 5: Solve for x
    x = 75,583,050,920.11/316,364.20
  6. Step 6: Final answer
    x = 238,911.52

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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.