Home / 270,905.80-373,852.73-163,455.15

Finding the Fourth Proportional to 270,905.80, 373,852.73 and 163,455.15

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Solution

The fourth proportional to 270,905.80, 373,852.73 and 163,455.15 is: 225,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,905.80 : 373,852.73 = 163,455.15 : x
  2. Step 2: Convert to fraction form
    270,905.80/373,852.73 = 163,455.15/x
  3. Step 3: Cross multiply
    270,905.80x = 373,852.73 × 163,455.15
  4. Step 4: Simplify right side
    270,905.80x = 61,108,154,060.06
  5. Step 5: Solve for x
    x = 61,108,154,060.06/270,905.80
  6. Step 6: Final answer
    x = 225,569.75

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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.