Home / 638,152.29-956,889.72-188,811.27

Finding the Fourth Proportional to 638,152.29, 956,889.72 and 188,811.27

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Solution

The fourth proportional to 638,152.29, 956,889.72 and 188,811.27 is: 283,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,152.29 : 956,889.72 = 188,811.27 : x
  2. Step 2: Convert to fraction form
    638,152.29/956,889.72 = 188,811.27/x
  3. Step 3: Cross multiply
    638,152.29x = 956,889.72 × 188,811.27
  4. Step 4: Simplify right side
    638,152.29x = 180,671,563,283.14
  5. Step 5: Solve for x
    x = 180,671,563,283.14/638,152.29
  6. Step 6: Final answer
    x = 283,116.69

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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.