Home / 187,332.08-258,525-106,771.76

Finding the Fourth Proportional to 187,332.08, 258,525 and 106,771.76

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Solution

The fourth proportional to 187,332.08, 258,525 and 106,771.76 is: 147,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,332.08 : 258,525 = 106,771.76 : x
  2. Step 2: Convert to fraction form
    187,332.08/258,525 = 106,771.76/x
  3. Step 3: Cross multiply
    187,332.08x = 258,525 × 106,771.76
  4. Step 4: Simplify right side
    187,332.08x = 27,603,169,254
  5. Step 5: Solve for x
    x = 27,603,169,254/187,332.08
  6. Step 6: Final answer
    x = 147,348.86

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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.