Home / 190,899.45-286,349.18-159,795.45

Finding the Fourth Proportional to 190,899.45, 286,349.18 and 159,795.45

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Solution

The fourth proportional to 190,899.45, 286,349.18 and 159,795.45 is: 239,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,899.45 : 286,349.18 = 159,795.45 : x
  2. Step 2: Convert to fraction form
    190,899.45/286,349.18 = 159,795.45/x
  3. Step 3: Cross multiply
    190,899.45x = 286,349.18 × 159,795.45
  4. Step 4: Simplify right side
    190,899.45x = 45,757,295,276.25
  5. Step 5: Solve for x
    x = 45,757,295,276.25/190,899.45
  6. Step 6: Final answer
    x = 239,693.18

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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.