Home / 190,172.32-262,465.20-109,584.40

Finding the Fourth Proportional to 190,172.32, 262,465.20 and 109,584.40

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Solution

The fourth proportional to 190,172.32, 262,465.20 and 109,584.40 is: 151,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,172.32 : 262,465.20 = 109,584.40 : x
  2. Step 2: Convert to fraction form
    190,172.32/262,465.20 = 109,584.40/x
  3. Step 3: Cross multiply
    190,172.32x = 262,465.20 × 109,584.40
  4. Step 4: Simplify right side
    190,172.32x = 28,762,091,462.88
  5. Step 5: Solve for x
    x = 28,762,091,462.88/190,172.32
  6. Step 6: Final answer
    x = 151,242.26

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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.