Home / 190,856.20-286,053.90-97,313.80

Finding the Fourth Proportional to 190,856.20, 286,053.90 and 97,313.80

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Solution

The fourth proportional to 190,856.20, 286,053.90 and 97,313.80 is: 145,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,856.20 : 286,053.90 = 97,313.80 : x
  2. Step 2: Convert to fraction form
    190,856.20/286,053.90 = 97,313.80/x
  3. Step 3: Cross multiply
    190,856.20x = 286,053.90 × 97,313.80
  4. Step 4: Simplify right side
    190,856.20x = 27,836,992,013.82
  5. Step 5: Solve for x
    x = 27,836,992,013.82/190,856.20
  6. Step 6: Final answer
    x = 145,853.22

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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.