Home / 197,681.02-272,789.00-115,998.27

Finding the Fourth Proportional to 197,681.02, 272,789.00 and 115,998.27

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Solution

The fourth proportional to 197,681.02, 272,789.00 and 115,998.27 is: 160,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,681.02 : 272,789.00 = 115,998.27 : x
  2. Step 2: Convert to fraction form
    197,681.02/272,789.00 = 115,998.27/x
  3. Step 3: Cross multiply
    197,681.02x = 272,789.00 × 115,998.27
  4. Step 4: Simplify right side
    197,681.02x = 31,643,051,495.04
  5. Step 5: Solve for x
    x = 31,643,051,495.04/197,681.02
  6. Step 6: Final answer
    x = 160,071.27

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1.5x scale

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.