Home / 328,517.19-453,326.58-185,312.43

Finding the Fourth Proportional to 328,517.19, 453,326.58 and 185,312.43

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Solution

The fourth proportional to 328,517.19, 453,326.58 and 185,312.43 is: 255,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,517.19 : 453,326.58 = 185,312.43 : x
  2. Step 2: Convert to fraction form
    328,517.19/453,326.58 = 185,312.43/x
  3. Step 3: Cross multiply
    328,517.19x = 453,326.58 × 185,312.43
  4. Step 4: Simplify right side
    328,517.19x = 84,007,050,123.39
  5. Step 5: Solve for x
    x = 84,007,050,123.39/328,517.19
  6. Step 6: Final answer
    x = 255,715.84

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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.