Home / 147,060.80-220,702.48-107,720.16

Finding the Fourth Proportional to 147,060.80, 220,702.48 and 107,720.16

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Solution

The fourth proportional to 147,060.80, 220,702.48 and 107,720.16 is: 161,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,060.80 : 220,702.48 = 107,720.16 : x
  2. Step 2: Convert to fraction form
    147,060.80/220,702.48 = 107,720.16/x
  3. Step 3: Cross multiply
    147,060.80x = 220,702.48 × 107,720.16
  4. Step 4: Simplify right side
    147,060.80x = 23,774,106,458.00
  5. Step 5: Solve for x
    x = 23,774,106,458.00/147,060.80
  6. Step 6: Final answer
    x = 161,661.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.