Home / 151,056.02-208,487.49-115,181.93

Finding the Fourth Proportional to 151,056.02, 208,487.49 and 115,181.93

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Solution

The fourth proportional to 151,056.02, 208,487.49 and 115,181.93 is: 158,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,056.02 : 208,487.49 = 115,181.93 : x
  2. Step 2: Convert to fraction form
    151,056.02/208,487.49 = 115,181.93/x
  3. Step 3: Cross multiply
    151,056.02x = 208,487.49 × 115,181.93
  4. Step 4: Simplify right side
    151,056.02x = 24,013,991,479.06
  5. Step 5: Solve for x
    x = 24,013,991,479.06/151,056.02
  6. Step 6: Final answer
    x = 158,974.08

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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.