Home / 192,127.77-287,601.12-163,784.25

Finding the Fourth Proportional to 192,127.77, 287,601.12 and 163,784.25

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Solution

The fourth proportional to 192,127.77, 287,601.12 and 163,784.25 is: 245,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,127.77 : 287,601.12 = 163,784.25 : x
  2. Step 2: Convert to fraction form
    192,127.77/287,601.12 = 163,784.25/x
  3. Step 3: Cross multiply
    192,127.77x = 287,601.12 × 163,784.25
  4. Step 4: Simplify right side
    192,127.77x = 47,104,533,738.36
  5. Step 5: Solve for x
    x = 47,104,533,738.36/192,127.77
  6. Step 6: Final answer
    x = 245,172.96

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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.