Home / 151,588.86-227,448.93-81,386.16

Finding the Fourth Proportional to 151,588.86, 227,448.93 and 81,386.16

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Solution

The fourth proportional to 151,588.86, 227,448.93 and 81,386.16 is: 122,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,588.86 : 227,448.93 = 81,386.16 : x
  2. Step 2: Convert to fraction form
    151,588.86/227,448.93 = 81,386.16/x
  3. Step 3: Cross multiply
    151,588.86x = 227,448.93 × 81,386.16
  4. Step 4: Simplify right side
    151,588.86x = 18,511,195,008.81
  5. Step 5: Solve for x
    x = 18,511,195,008.81/151,588.86
  6. Step 6: Final answer
    x = 122,114.48

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1.5x scale

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.