Home / 191,905.02-287,656.43-107,541.49

Finding the Fourth Proportional to 191,905.02, 287,656.43 and 107,541.49

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Solution

The fourth proportional to 191,905.02, 287,656.43 and 107,541.49 is: 161,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,905.02 : 287,656.43 = 107,541.49 : x
  2. Step 2: Convert to fraction form
    191,905.02/287,656.43 = 107,541.49/x
  3. Step 3: Cross multiply
    191,905.02x = 287,656.43 × 107,541.49
  4. Step 4: Simplify right side
    191,905.02x = 30,935,001,090.28
  5. Step 5: Solve for x
    x = 30,935,001,090.28/191,905.02
  6. Step 6: Final answer
    x = 161,199.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.