Home / 197,784.04-272,943.29-107,140.01

Finding the Fourth Proportional to 197,784.04, 272,943.29 and 107,140.01

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Solution

The fourth proportional to 197,784.04, 272,943.29 and 107,140.01 is: 147,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,784.04 : 272,943.29 = 107,140.01 : x
  2. Step 2: Convert to fraction form
    197,784.04/272,943.29 = 107,140.01/x
  3. Step 3: Cross multiply
    197,784.04x = 272,943.29 × 107,140.01
  4. Step 4: Simplify right side
    197,784.04x = 29,243,147,368.47
  5. Step 5: Solve for x
    x = 29,243,147,368.47/197,784.04
  6. Step 6: Final answer
    x = 147,853.93

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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.