Home / 190,575.36-285,816.56-64,182.70

Finding the Fourth Proportional to 190,575.36, 285,816.56 and 64,182.70

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Solution

The fourth proportional to 190,575.36, 285,816.56 and 64,182.70 is: 96,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,575.36 : 285,816.56 = 64,182.70 : x
  2. Step 2: Convert to fraction form
    190,575.36/285,816.56 = 64,182.70/x
  3. Step 3: Cross multiply
    190,575.36x = 285,816.56 × 64,182.70
  4. Step 4: Simplify right side
    190,575.36x = 18,344,478,525.51
  5. Step 5: Solve for x
    x = 18,344,478,525.51/190,575.36
  6. Step 6: Final answer
    x = 96,258.40

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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.