Home / 134,904.07-186,180.29-100,853.59

Finding the Fourth Proportional to 134,904.07, 186,180.29 and 100,853.59

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Solution

The fourth proportional to 134,904.07, 186,180.29 and 100,853.59 is: 139,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.07 : 186,180.29 = 100,853.59 : x
  2. Step 2: Convert to fraction form
    134,904.07/186,180.29 = 100,853.59/x
  3. Step 3: Cross multiply
    134,904.07x = 186,180.29 × 100,853.59
  4. Step 4: Simplify right side
    134,904.07x = 18,776,950,129.47
  5. Step 5: Solve for x
    x = 18,776,950,129.47/134,904.07
  6. Step 6: Final answer
    x = 139,187.43

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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.