Home / 190,756.80-286,135.20-146,606.40

Finding the Fourth Proportional to 190,756.80, 286,135.20 and 146,606.40

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Solution

The fourth proportional to 190,756.80, 286,135.20 and 146,606.40 is: 219,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,756.80 : 286,135.20 = 146,606.40 : x
  2. Step 2: Convert to fraction form
    190,756.80/286,135.20 = 146,606.40/x
  3. Step 3: Cross multiply
    190,756.80x = 286,135.20 × 146,606.40
  4. Step 4: Simplify right side
    190,756.80x = 41,949,251,585.28
  5. Step 5: Solve for x
    x = 41,949,251,585.28/190,756.80
  6. Step 6: Final answer
    x = 219,909.60

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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.