Home / 328,680.18-453,592.17-185,439.51

Finding the Fourth Proportional to 328,680.18, 453,592.17 and 185,439.51

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Solution

The fourth proportional to 328,680.18, 453,592.17 and 185,439.51 is: 255,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,680.18 : 453,592.17 = 185,439.51 : x
  2. Step 2: Convert to fraction form
    328,680.18/453,592.17 = 185,439.51/x
  3. Step 3: Cross multiply
    328,680.18x = 453,592.17 × 185,439.51
  4. Step 4: Simplify right side
    328,680.18x = 84,113,909,744.64
  5. Step 5: Solve for x
    x = 84,113,909,744.64/328,680.18
  6. Step 6: Final answer
    x = 255,914.15

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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.