Home / 328,923.76-453,926.55-185,709.28

Finding the Fourth Proportional to 328,923.76, 453,926.55 and 185,709.28

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Solution

The fourth proportional to 328,923.76, 453,926.55 and 185,709.28 is: 256,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,923.76 : 453,926.55 = 185,709.28 : x
  2. Step 2: Convert to fraction form
    328,923.76/453,926.55 = 185,709.28/x
  3. Step 3: Cross multiply
    328,923.76x = 453,926.55 × 185,709.28
  4. Step 4: Simplify right side
    328,923.76x = 84,298,372,773.38
  5. Step 5: Solve for x
    x = 84,298,372,773.38/328,923.76
  6. Step 6: Final answer
    x = 256,285.45

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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.