Home / 201,047.13-277,425.95-120,459.69

Finding the Fourth Proportional to 201,047.13, 277,425.95 and 120,459.69

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Solution

The fourth proportional to 201,047.13, 277,425.95 and 120,459.69 is: 166,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,047.13 : 277,425.95 = 120,459.69 : x
  2. Step 2: Convert to fraction form
    201,047.13/277,425.95 = 120,459.69/x
  3. Step 3: Cross multiply
    201,047.13x = 277,425.95 × 120,459.69
  4. Step 4: Simplify right side
    201,047.13x = 33,418,643,332.66
  5. Step 5: Solve for x
    x = 33,418,643,332.66/201,047.13
  6. Step 6: Final answer
    x = 166,222.93

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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.