Home / 190,747.50-286,172.28-66,088.50

Finding the Fourth Proportional to 190,747.50, 286,172.28 and 66,088.50

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Solution

The fourth proportional to 190,747.50, 286,172.28 and 66,088.50 is: 99,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,747.50 : 286,172.28 = 66,088.50 : x
  2. Step 2: Convert to fraction form
    190,747.50/286,172.28 = 66,088.50/x
  3. Step 3: Cross multiply
    190,747.50x = 286,172.28 × 66,088.50
  4. Step 4: Simplify right side
    190,747.50x = 18,912,696,726.78
  5. Step 5: Solve for x
    x = 18,912,696,726.78/190,747.50
  6. Step 6: Final answer
    x = 99,150.43

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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.