Home / 218,283.30-301,171.77-127,661.58

Finding the Fourth Proportional to 218,283.30, 301,171.77 and 127,661.58

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Solution

The fourth proportional to 218,283.30, 301,171.77 and 127,661.58 is: 176,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,283.30 : 301,171.77 = 127,661.58 : x
  2. Step 2: Convert to fraction form
    218,283.30/301,171.77 = 127,661.58/x
  3. Step 3: Cross multiply
    218,283.30x = 301,171.77 × 127,661.58
  4. Step 4: Simplify right side
    218,283.30x = 38,448,064,009.60
  5. Step 5: Solve for x
    x = 38,448,064,009.60/218,283.30
  6. Step 6: Final answer
    x = 176,138.37

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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.