Home / 223,296.04-308,130.66-127,780.84

Finding the Fourth Proportional to 223,296.04, 308,130.66 and 127,780.84

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Solution

The fourth proportional to 223,296.04, 308,130.66 and 127,780.84 is: 176,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,296.04 : 308,130.66 = 127,780.84 : x
  2. Step 2: Convert to fraction form
    223,296.04/308,130.66 = 127,780.84/x
  3. Step 3: Cross multiply
    223,296.04x = 308,130.66 × 127,780.84
  4. Step 4: Simplify right side
    223,296.04x = 39,373,194,564.55
  5. Step 5: Solve for x
    x = 39,373,194,564.55/223,296.04
  6. Step 6: Final answer
    x = 176,327.33

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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.