Home / 146,517.69-202,220.30-86,088.32

Finding the Fourth Proportional to 146,517.69, 202,220.30 and 86,088.32

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Solution

The fourth proportional to 146,517.69, 202,220.30 and 86,088.32 is: 118,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,517.69 : 202,220.30 = 86,088.32 : x
  2. Step 2: Convert to fraction form
    146,517.69/202,220.30 = 86,088.32/x
  3. Step 3: Cross multiply
    146,517.69x = 202,220.30 × 86,088.32
  4. Step 4: Simplify right side
    146,517.69x = 17,408,804,455.35
  5. Step 5: Solve for x
    x = 17,408,804,455.35/146,517.69
  6. Step 6: Final answer
    x = 118,817.08

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1.5x scale

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.