Home / 190,833.10-286,249.65-112,101.10

Finding the Fourth Proportional to 190,833.10, 286,249.65 and 112,101.10

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Solution

The fourth proportional to 190,833.10, 286,249.65 and 112,101.10 is: 168,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,833.10 : 286,249.65 = 112,101.10 : x
  2. Step 2: Convert to fraction form
    190,833.10/286,249.65 = 112,101.10/x
  3. Step 3: Cross multiply
    190,833.10x = 286,249.65 × 112,101.10
  4. Step 4: Simplify right side
    190,833.10x = 32,088,900,639.62
  5. Step 5: Solve for x
    x = 32,088,900,639.62/190,833.10
  6. Step 6: Final answer
    x = 168,151.65

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1.5x scale

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.