Home / 146,976.51-202,821.67-86,549.70

Finding the Fourth Proportional to 146,976.51, 202,821.67 and 86,549.70

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Solution

The fourth proportional to 146,976.51, 202,821.67 and 86,549.70 is: 119,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,976.51 : 202,821.67 = 86,549.70 : x
  2. Step 2: Convert to fraction form
    146,976.51/202,821.67 = 86,549.70/x
  3. Step 3: Cross multiply
    146,976.51x = 202,821.67 × 86,549.70
  4. Step 4: Simplify right side
    146,976.51x = 17,554,154,692.00
  5. Step 5: Solve for x
    x = 17,554,154,692.00/146,976.51
  6. Step 6: Final answer
    x = 119,435.10

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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.