Home / 146,848.64-202,647.18-86,422.84

Finding the Fourth Proportional to 146,848.64, 202,647.18 and 86,422.84

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Solution

The fourth proportional to 146,848.64, 202,647.18 and 86,422.84 is: 119,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,848.64 : 202,647.18 = 86,422.84 : x
  2. Step 2: Convert to fraction form
    146,848.64/202,647.18 = 86,422.84/x
  3. Step 3: Cross multiply
    146,848.64x = 202,647.18 × 86,422.84
  4. Step 4: Simplify right side
    146,848.64x = 17,513,344,813.59
  5. Step 5: Solve for x
    x = 17,513,344,813.59/146,848.64
  6. Step 6: Final answer
    x = 119,261.20

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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.