Home / 190,901.70-286,352.55-97,395.30

Finding the Fourth Proportional to 190,901.70, 286,352.55 and 97,395.30

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Solution

The fourth proportional to 190,901.70, 286,352.55 and 97,395.30 is: 146,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,901.70 : 286,352.55 = 97,395.30 : x
  2. Step 2: Convert to fraction form
    190,901.70/286,352.55 = 97,395.30/x
  3. Step 3: Cross multiply
    190,901.70x = 286,352.55 × 97,395.30
  4. Step 4: Simplify right side
    190,901.70x = 27,889,392,513.02
  5. Step 5: Solve for x
    x = 27,889,392,513.02/190,901.70
  6. Step 6: Final answer
    x = 146,092.95

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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.