Home / 383,938.32-575,991.51-117,719.61

Finding the Fourth Proportional to 383,938.32, 575,991.51 and 117,719.61

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Solution

The fourth proportional to 383,938.32, 575,991.51 and 117,719.61 is: 176,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,938.32 : 575,991.51 = 117,719.61 : x
  2. Step 2: Convert to fraction form
    383,938.32/575,991.51 = 117,719.61/x
  3. Step 3: Cross multiply
    383,938.32x = 575,991.51 × 117,719.61
  4. Step 4: Simplify right side
    383,938.32x = 67,805,495,920.51
  5. Step 5: Solve for x
    x = 67,805,495,920.51/383,938.32
  6. Step 6: Final answer
    x = 176,605.18

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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.