Home / 190,206.28-262,484.62-105,323.32

Finding the Fourth Proportional to 190,206.28, 262,484.62 and 105,323.32

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Solution

The fourth proportional to 190,206.28, 262,484.62 and 105,323.32 is: 145,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,206.28 : 262,484.62 = 105,323.32 : x
  2. Step 2: Convert to fraction form
    190,206.28/262,484.62 = 105,323.32/x
  3. Step 3: Cross multiply
    190,206.28x = 262,484.62 × 105,323.32
  4. Step 4: Simplify right side
    190,206.28x = 27,645,751,627.34
  5. Step 5: Solve for x
    x = 27,645,751,627.34/190,206.28
  6. Step 6: Final answer
    x = 145,346.16

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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.