Home / 151,688.16-227,533.48-99,428.56

Finding the Fourth Proportional to 151,688.16, 227,533.48 and 99,428.56

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Solution

The fourth proportional to 151,688.16, 227,533.48 and 99,428.56 is: 149,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,688.16 : 227,533.48 = 99,428.56 : x
  2. Step 2: Convert to fraction form
    151,688.16/227,533.48 = 99,428.56/x
  3. Step 3: Cross multiply
    151,688.16x = 227,533.48 × 99,428.56
  4. Step 4: Simplify right side
    151,688.16x = 22,623,326,268.19
  5. Step 5: Solve for x
    x = 22,623,326,268.19/151,688.16
  6. Step 6: Final answer
    x = 149,143.65

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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.