Home / 127,630.77-176,117.73-73,933.04

Finding the Fourth Proportional to 127,630.77, 176,117.73 and 73,933.04

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Solution

The fourth proportional to 127,630.77, 176,117.73 and 73,933.04 is: 102,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,630.77 : 176,117.73 = 73,933.04 : x
  2. Step 2: Convert to fraction form
    127,630.77/176,117.73 = 73,933.04/x
  3. Step 3: Cross multiply
    127,630.77x = 176,117.73 × 73,933.04
  4. Step 4: Simplify right side
    127,630.77x = 13,020,918,296.21
  5. Step 5: Solve for x
    x = 13,020,918,296.21/127,630.77
  6. Step 6: Final answer
    x = 102,020.21

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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.