Home / 190,627.79-285,943.73-57,509.20

Finding the Fourth Proportional to 190,627.79, 285,943.73 and 57,509.20

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Solution

The fourth proportional to 190,627.79, 285,943.73 and 57,509.20 is: 86,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,627.79 : 285,943.73 = 57,509.20 : x
  2. Step 2: Convert to fraction form
    190,627.79/285,943.73 = 57,509.20/x
  3. Step 3: Cross multiply
    190,627.79x = 285,943.73 × 57,509.20
  4. Step 4: Simplify right side
    190,627.79x = 16,444,393,727.60
  5. Step 5: Solve for x
    x = 16,444,393,727.60/190,627.79
  6. Step 6: Final answer
    x = 86,264.41

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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.