Home / 328,387.91-453,166.26-185,146.70

Finding the Fourth Proportional to 328,387.91, 453,166.26 and 185,146.70

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Solution

The fourth proportional to 328,387.91, 453,166.26 and 185,146.70 is: 255,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,387.91 : 453,166.26 = 185,146.70 : x
  2. Step 2: Convert to fraction form
    328,387.91/453,166.26 = 185,146.70/x
  3. Step 3: Cross multiply
    328,387.91x = 453,166.26 × 185,146.70
  4. Step 4: Simplify right side
    328,387.91x = 83,902,237,590.34
  5. Step 5: Solve for x
    x = 83,902,237,590.34/328,387.91
  6. Step 6: Final answer
    x = 255,497.34

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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.