Home / 200,835.12-277,155.24-110,189.40

Finding the Fourth Proportional to 200,835.12, 277,155.24 and 110,189.40

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Solution

The fourth proportional to 200,835.12, 277,155.24 and 110,189.40 is: 152,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,835.12 : 277,155.24 = 110,189.40 : x
  2. Step 2: Convert to fraction form
    200,835.12/277,155.24 = 110,189.40/x
  3. Step 3: Cross multiply
    200,835.12x = 277,155.24 × 110,189.40
  4. Step 4: Simplify right side
    200,835.12x = 30,539,569,602.46
  5. Step 5: Solve for x
    x = 30,539,569,602.46/200,835.12
  6. Step 6: Final answer
    x = 152,062.89

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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.