Home / 190,803.40-286,205.10-134,816.20

Finding the Fourth Proportional to 190,803.40, 286,205.10 and 134,816.20

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Solution

The fourth proportional to 190,803.40, 286,205.10 and 134,816.20 is: 202,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,803.40 : 286,205.10 = 134,816.20 : x
  2. Step 2: Convert to fraction form
    190,803.40/286,205.10 = 134,816.20/x
  3. Step 3: Cross multiply
    190,803.40x = 286,205.10 × 134,816.20
  4. Step 4: Simplify right side
    190,803.40x = 38,585,084,002.62
  5. Step 5: Solve for x
    x = 38,585,084,002.62/190,803.40
  6. Step 6: Final answer
    x = 202,224.30

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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.