Home / 320,935.42-442,897.80-175,747.33

Finding the Fourth Proportional to 320,935.42, 442,897.80 and 175,747.33

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Solution

The fourth proportional to 320,935.42, 442,897.80 and 175,747.33 is: 242,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,935.42 : 442,897.80 = 175,747.33 : x
  2. Step 2: Convert to fraction form
    320,935.42/442,897.80 = 175,747.33/x
  3. Step 3: Cross multiply
    320,935.42x = 442,897.80 × 175,747.33
  4. Step 4: Simplify right side
    320,935.42x = 77,838,105,812.87
  5. Step 5: Solve for x
    x = 77,838,105,812.87/320,935.42
  6. Step 6: Final answer
    x = 242,535.11

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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.