Home / 134,820.14-186,111.42-87,096.74

Finding the Fourth Proportional to 134,820.14, 186,111.42 and 87,096.74

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Solution

The fourth proportional to 134,820.14, 186,111.42 and 87,096.74 is: 120,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,820.14 : 186,111.42 = 87,096.74 : x
  2. Step 2: Convert to fraction form
    134,820.14/186,111.42 = 87,096.74/x
  3. Step 3: Cross multiply
    134,820.14x = 186,111.42 × 87,096.74
  4. Step 4: Simplify right side
    134,820.14x = 16,209,697,958.77
  5. Step 5: Solve for x
    x = 16,209,697,958.77/134,820.14
  6. Step 6: Final answer
    x = 120,232.02

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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.