Home / 151,848.96-209,477.04-98,180

Finding the Fourth Proportional to 151,848.96, 209,477.04 and 98,180

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Solution

The fourth proportional to 151,848.96, 209,477.04 and 98,180 is: 135,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,848.96 : 209,477.04 = 98,180 : x
  2. Step 2: Convert to fraction form
    151,848.96/209,477.04 = 98,180/x
  3. Step 3: Cross multiply
    151,848.96x = 209,477.04 × 98,180
  4. Step 4: Simplify right side
    151,848.96x = 20,566,455,787.20
  5. Step 5: Solve for x
    x = 20,566,455,787.20/151,848.96
  6. Step 6: Final answer
    x = 135,440.21

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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.