Home / 142,058.46-196,034.50-77,526.06

Finding the Fourth Proportional to 142,058.46, 196,034.50 and 77,526.06

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Solution

The fourth proportional to 142,058.46, 196,034.50 and 77,526.06 is: 106,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,058.46 : 196,034.50 = 77,526.06 : x
  2. Step 2: Convert to fraction form
    142,058.46/196,034.50 = 77,526.06/x
  3. Step 3: Cross multiply
    142,058.46x = 196,034.50 × 77,526.06
  4. Step 4: Simplify right side
    142,058.46x = 15,197,783,091.58
  5. Step 5: Solve for x
    x = 15,197,783,091.58/142,058.46
  6. Step 6: Final answer
    x = 106,982.60

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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.