Home / 190,154.18-262,416.30-109,568.10

Finding the Fourth Proportional to 190,154.18, 262,416.30 and 109,568.10

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Solution

The fourth proportional to 190,154.18, 262,416.30 and 109,568.10 is: 151,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,154.18 : 262,416.30 = 109,568.10 : x
  2. Step 2: Convert to fraction form
    190,154.18/262,416.30 = 109,568.10/x
  3. Step 3: Cross multiply
    190,154.18x = 262,416.30 × 109,568.10
  4. Step 4: Simplify right side
    190,154.18x = 28,752,455,400.03
  5. Step 5: Solve for x
    x = 28,752,455,400.03/190,154.18
  6. Step 6: Final answer
    x = 151,206.01

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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.