Home / 142,656.84-196,930.02-94,287.90

Finding the Fourth Proportional to 142,656.84, 196,930.02 and 94,287.90

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Solution

The fourth proportional to 142,656.84, 196,930.02 and 94,287.90 is: 130,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,656.84 : 196,930.02 = 94,287.90 : x
  2. Step 2: Convert to fraction form
    142,656.84/196,930.02 = 94,287.90/x
  3. Step 3: Cross multiply
    142,656.84x = 196,930.02 × 94,287.90
  4. Step 4: Simplify right side
    142,656.84x = 18,568,118,032.76
  5. Step 5: Solve for x
    x = 18,568,118,032.76/142,656.84
  6. Step 6: Final answer
    x = 130,159.33

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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.