Home / 133,302.10-183,957.06-76,713.52

Finding the Fourth Proportional to 133,302.10, 183,957.06 and 76,713.52

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Solution

The fourth proportional to 133,302.10, 183,957.06 and 76,713.52 is: 105,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,302.10 : 183,957.06 = 76,713.52 : x
  2. Step 2: Convert to fraction form
    133,302.10/183,957.06 = 76,713.52/x
  3. Step 3: Cross multiply
    133,302.10x = 183,957.06 × 76,713.52
  4. Step 4: Simplify right side
    133,302.10x = 14,111,993,601.45
  5. Step 5: Solve for x
    x = 14,111,993,601.45/133,302.10
  6. Step 6: Final answer
    x = 105,864.75

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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.