Home / 377,936.16-521,545.64-208,186.08

Finding the Fourth Proportional to 377,936.16, 521,545.64 and 208,186.08

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Solution

The fourth proportional to 377,936.16, 521,545.64 and 208,186.08 is: 287,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,936.16 : 521,545.64 = 208,186.08 : x
  2. Step 2: Convert to fraction form
    377,936.16/521,545.64 = 208,186.08/x
  3. Step 3: Cross multiply
    377,936.16x = 521,545.64 × 208,186.08
  4. Step 4: Simplify right side
    377,936.16x = 108,578,542,332.69
  5. Step 5: Solve for x
    x = 108,578,542,332.69/377,936.16
  6. Step 6: Final answer
    x = 287,293.34

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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.