Home / 190,472.71-285,756.65-134,422.23

Finding the Fourth Proportional to 190,472.71, 285,756.65 and 134,422.23

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Solution

The fourth proportional to 190,472.71, 285,756.65 and 134,422.23 is: 201,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,472.71 : 285,756.65 = 134,422.23 : x
  2. Step 2: Convert to fraction form
    190,472.71/285,756.65 = 134,422.23/x
  3. Step 3: Cross multiply
    190,472.71x = 285,756.65 × 134,422.23
  4. Step 4: Simplify right side
    190,472.71x = 38,412,046,466.39
  5. Step 5: Solve for x
    x = 38,412,046,466.39/190,472.71
  6. Step 6: Final answer
    x = 201,666.93

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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.