Home / 133,284.08-183,902.40-76,695.46

Finding the Fourth Proportional to 133,284.08, 183,902.40 and 76,695.46

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Solution

The fourth proportional to 133,284.08, 183,902.40 and 76,695.46 is: 105,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,284.08 : 183,902.40 = 76,695.46 : x
  2. Step 2: Convert to fraction form
    133,284.08/183,902.40 = 76,695.46/x
  3. Step 3: Cross multiply
    133,284.08x = 183,902.40 × 76,695.46
  4. Step 4: Simplify right side
    133,284.08x = 14,104,478,703.35
  5. Step 5: Solve for x
    x = 14,104,478,703.35/133,284.08
  6. Step 6: Final answer
    x = 105,822.68

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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.