Home / 124,094.81-186,142.23-86,727.86

Finding the Fourth Proportional to 124,094.81, 186,142.23 and 86,727.86

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Solution

The fourth proportional to 124,094.81, 186,142.23 and 86,727.86 is: 130,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,094.81 : 186,142.23 = 86,727.86 : x
  2. Step 2: Convert to fraction form
    124,094.81/186,142.23 = 86,727.86/x
  3. Step 3: Cross multiply
    124,094.81x = 186,142.23 × 86,727.86
  4. Step 4: Simplify right side
    124,094.81x = 16,143,717,263.53
  5. Step 5: Solve for x
    x = 16,143,717,263.53/124,094.81
  6. Step 6: Final answer
    x = 130,091.80

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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.