Home / 190,910.70-286,366.05-97,404.30

Finding the Fourth Proportional to 190,910.70, 286,366.05 and 97,404.30

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Solution

The fourth proportional to 190,910.70, 286,366.05 and 97,404.30 is: 146,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,910.70 : 286,366.05 = 97,404.30 : x
  2. Step 2: Convert to fraction form
    190,910.70/286,366.05 = 97,404.30/x
  3. Step 3: Cross multiply
    190,910.70x = 286,366.05 × 97,404.30
  4. Step 4: Simplify right side
    190,910.70x = 27,893,284,644.02
  5. Step 5: Solve for x
    x = 27,893,284,644.02/190,910.70
  6. Step 6: Final answer
    x = 146,106.45

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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.