Home / 200,728.81-277,018.02-115,851.34

Finding the Fourth Proportional to 200,728.81, 277,018.02 and 115,851.34

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Solution

The fourth proportional to 200,728.81, 277,018.02 and 115,851.34 is: 159,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,728.81 : 277,018.02 = 115,851.34 : x
  2. Step 2: Convert to fraction form
    200,728.81/277,018.02 = 115,851.34/x
  3. Step 3: Cross multiply
    200,728.81x = 277,018.02 × 115,851.34
  4. Step 4: Simplify right side
    200,728.81x = 32,092,908,821.15
  5. Step 5: Solve for x
    x = 32,092,908,821.15/200,728.81
  6. Step 6: Final answer
    x = 159,881.93

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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.