Home / 107,360.81-160,318.24-87,678.41

Finding the Fourth Proportional to 107,360.81, 160,318.24 and 87,678.41

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Solution

The fourth proportional to 107,360.81, 160,318.24 and 87,678.41 is: 130,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,360.81 : 160,318.24 = 87,678.41 : x
  2. Step 2: Convert to fraction form
    107,360.81/160,318.24 = 87,678.41/x
  3. Step 3: Cross multiply
    107,360.81x = 160,318.24 × 87,678.41
  4. Step 4: Simplify right side
    107,360.81x = 14,056,447,938.81
  5. Step 5: Solve for x
    x = 14,056,447,938.81/107,360.81
  6. Step 6: Final answer
    x = 130,927.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.