Home / 190,899.32-286,349.75-64,540.23

Finding the Fourth Proportional to 190,899.32, 286,349.75 and 64,540.23

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Solution

The fourth proportional to 190,899.32, 286,349.75 and 64,540.23 is: 96,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,899.32 : 286,349.75 = 64,540.23 : x
  2. Step 2: Convert to fraction form
    190,899.32/286,349.75 = 64,540.23/x
  3. Step 3: Cross multiply
    190,899.32x = 286,349.75 × 64,540.23
  4. Step 4: Simplify right side
    190,899.32x = 18,481,077,570.96
  5. Step 5: Solve for x
    x = 18,481,077,570.96/190,899.32
  6. Step 6: Final answer
    x = 96,810.60

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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.