Home / 328,913.41-453,913.55-185,678.41

Finding the Fourth Proportional to 328,913.41, 453,913.55 and 185,678.41

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Solution

The fourth proportional to 328,913.41, 453,913.55 and 185,678.41 is: 256,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,913.41 : 453,913.55 = 185,678.41 : x
  2. Step 2: Convert to fraction form
    328,913.41/453,913.55 = 185,678.41/x
  3. Step 3: Cross multiply
    328,913.41x = 453,913.55 × 185,678.41
  4. Step 4: Simplify right side
    328,913.41x = 84,281,946,241.46
  5. Step 5: Solve for x
    x = 84,281,946,241.46/328,913.41
  6. Step 6: Final answer
    x = 256,243.57

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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.