Home / 133,929.58-184,821.25-77,339.74

Finding the Fourth Proportional to 133,929.58, 184,821.25 and 77,339.74

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Solution

The fourth proportional to 133,929.58, 184,821.25 and 77,339.74 is: 106,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,929.58 : 184,821.25 = 77,339.74 : x
  2. Step 2: Convert to fraction form
    133,929.58/184,821.25 = 77,339.74/x
  3. Step 3: Cross multiply
    133,929.58x = 184,821.25 × 77,339.74
  4. Step 4: Simplify right side
    133,929.58x = 14,294,027,421.48
  5. Step 5: Solve for x
    x = 14,294,027,421.48/133,929.58
  6. Step 6: Final answer
    x = 106,727.93

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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.