Home / 192,619.77-288,987.84-57,688.22

Finding the Fourth Proportional to 192,619.77, 288,987.84 and 57,688.22

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Solution

The fourth proportional to 192,619.77, 288,987.84 and 57,688.22 is: 86,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,619.77 : 288,987.84 = 57,688.22 : x
  2. Step 2: Convert to fraction form
    192,619.77/288,987.84 = 57,688.22/x
  3. Step 3: Cross multiply
    192,619.77x = 288,987.84 × 57,688.22
  4. Step 4: Simplify right side
    192,619.77x = 16,671,192,646.31
  5. Step 5: Solve for x
    x = 16,671,192,646.31/192,619.77
  6. Step 6: Final answer
    x = 86,549.75

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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.