Home / 142,068.93-196,080.52-84,711.95

Finding the Fourth Proportional to 142,068.93, 196,080.52 and 84,711.95

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Solution

The fourth proportional to 142,068.93, 196,080.52 and 84,711.95 is: 116,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,068.93 : 196,080.52 = 84,711.95 : x
  2. Step 2: Convert to fraction form
    142,068.93/196,080.52 = 84,711.95/x
  3. Step 3: Cross multiply
    142,068.93x = 196,080.52 × 84,711.95
  4. Step 4: Simplify right side
    142,068.93x = 16,610,362,014.03
  5. Step 5: Solve for x
    x = 16,610,362,014.03/142,068.93
  6. Step 6: Final answer
    x = 116,917.63

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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.