Home / 134,001.92-184,924.80-77,418.24

Finding the Fourth Proportional to 134,001.92, 184,924.80 and 77,418.24

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Solution

The fourth proportional to 134,001.92, 184,924.80 and 77,418.24 is: 106,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,001.92 : 184,924.80 = 77,418.24 : x
  2. Step 2: Convert to fraction form
    134,001.92/184,924.80 = 77,418.24/x
  3. Step 3: Cross multiply
    134,001.92x = 184,924.80 × 77,418.24
  4. Step 4: Simplify right side
    134,001.92x = 14,316,552,548.35
  5. Step 5: Solve for x
    x = 14,316,552,548.35/134,001.92
  6. Step 6: Final answer
    x = 106,838.41

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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.