Home / 190,735.47-286,157.34-155,529.72

Finding the Fourth Proportional to 190,735.47, 286,157.34 and 155,529.72

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Solution

The fourth proportional to 190,735.47, 286,157.34 and 155,529.72 is: 233,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,735.47 : 286,157.34 = 155,529.72 : x
  2. Step 2: Convert to fraction form
    190,735.47/286,157.34 = 155,529.72/x
  3. Step 3: Cross multiply
    190,735.47x = 286,157.34 × 155,529.72
  4. Step 4: Simplify right side
    190,735.47x = 44,505,970,966.14
  5. Step 5: Solve for x
    x = 44,505,970,966.14/190,735.47
  6. Step 6: Final answer
    x = 233,338.72

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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.