Home / 133,392.90-184,088.08-76,822.50

Finding the Fourth Proportional to 133,392.90, 184,088.08 and 76,822.50

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Solution

The fourth proportional to 133,392.90, 184,088.08 and 76,822.50 is: 106,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392.90 : 184,088.08 = 76,822.50 : x
  2. Step 2: Convert to fraction form
    133,392.90/184,088.08 = 76,822.50/x
  3. Step 3: Cross multiply
    133,392.90x = 184,088.08 × 76,822.50
  4. Step 4: Simplify right side
    133,392.90x = 14,142,106,525.80
  5. Step 5: Solve for x
    x = 14,142,106,525.80/133,392.90
  6. Step 6: Final answer
    x = 106,018.44

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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.