Home / 152,196.36-210,115.44-91,782.32

Finding the Fourth Proportional to 152,196.36, 210,115.44 and 91,782.32

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Solution

The fourth proportional to 152,196.36, 210,115.44 and 91,782.32 is: 126,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,196.36 : 210,115.44 = 91,782.32 : x
  2. Step 2: Convert to fraction form
    152,196.36/210,115.44 = 91,782.32/x
  3. Step 3: Cross multiply
    152,196.36x = 210,115.44 × 91,782.32
  4. Step 4: Simplify right side
    152,196.36x = 19,284,882,551.02
  5. Step 5: Solve for x
    x = 19,284,882,551.02/152,196.36
  6. Step 6: Final answer
    x = 126,710.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.