Home / 328,974.76-453,985.05-178,071.76

Finding the Fourth Proportional to 328,974.76, 453,985.05 and 178,071.76

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Solution

The fourth proportional to 328,974.76, 453,985.05 and 178,071.76 is: 245,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,974.76 : 453,985.05 = 178,071.76 : x
  2. Step 2: Convert to fraction form
    328,974.76/453,985.05 = 178,071.76/x
  3. Step 3: Cross multiply
    328,974.76x = 453,985.05 × 178,071.76
  4. Step 4: Simplify right side
    328,974.76x = 80,841,916,867.19
  5. Step 5: Solve for x
    x = 80,841,916,867.19/328,974.76
  6. Step 6: Final answer
    x = 245,738.96

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1.5x scale

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.