Home / 124,290.07-171,384.53-83,933.77

Finding the Fourth Proportional to 124,290.07, 171,384.53 and 83,933.77

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Solution

The fourth proportional to 124,290.07, 171,384.53 and 83,933.77 is: 115,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,290.07 : 171,384.53 = 83,933.77 : x
  2. Step 2: Convert to fraction form
    124,290.07/171,384.53 = 83,933.77/x
  3. Step 3: Cross multiply
    124,290.07x = 171,384.53 × 83,933.77
  4. Step 4: Simplify right side
    124,290.07x = 14,384,950,108.73
  5. Step 5: Solve for x
    x = 14,384,950,108.73/124,290.07
  6. Step 6: Final answer
    x = 115,736.92

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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.