Home / 113,088.14-156,089.68-65,371.22

Finding the Fourth Proportional to 113,088.14, 156,089.68 and 65,371.22

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Solution

The fourth proportional to 113,088.14, 156,089.68 and 65,371.22 is: 90,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,088.14 : 156,089.68 = 65,371.22 : x
  2. Step 2: Convert to fraction form
    113,088.14/156,089.68 = 65,371.22/x
  3. Step 3: Cross multiply
    113,088.14x = 156,089.68 × 65,371.22
  4. Step 4: Simplify right side
    113,088.14x = 10,203,772,811.01
  5. Step 5: Solve for x
    x = 10,203,772,811.01/113,088.14
  6. Step 6: Final answer
    x = 90,228.50

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1.5x scale

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.