Home / 314,104.78-433,368.66-178,131.70

Finding the Fourth Proportional to 314,104.78, 433,368.66 and 178,131.70

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Solution

The fourth proportional to 314,104.78, 433,368.66 and 178,131.70 is: 245,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,104.78 : 433,368.66 = 178,131.70 : x
  2. Step 2: Convert to fraction form
    314,104.78/433,368.66 = 178,131.70/x
  3. Step 3: Cross multiply
    314,104.78x = 433,368.66 × 178,131.70
  4. Step 4: Simplify right side
    314,104.78x = 77,196,696,132.52
  5. Step 5: Solve for x
    x = 77,196,696,132.52/314,104.78
  6. Step 6: Final answer
    x = 245,767.34

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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.