Home / 190,628.79-285,945.23-57,510.20

Finding the Fourth Proportional to 190,628.79, 285,945.23 and 57,510.20

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Solution

The fourth proportional to 190,628.79, 285,945.23 and 57,510.20 is: 86,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,628.79 : 285,945.23 = 57,510.20 : x
  2. Step 2: Convert to fraction form
    190,628.79/285,945.23 = 57,510.20/x
  3. Step 3: Cross multiply
    190,628.79x = 285,945.23 × 57,510.20
  4. Step 4: Simplify right side
    190,628.79x = 16,444,767,366.35
  5. Step 5: Solve for x
    x = 16,444,767,366.35/190,628.79
  6. Step 6: Final answer
    x = 86,265.92

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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.