Home / 154,080.60-231,005.70-65,261.40

Finding the Fourth Proportional to 154,080.60, 231,005.70 and 65,261.40

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Solution

The fourth proportional to 154,080.60, 231,005.70 and 65,261.40 is: 97,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,080.60 : 231,005.70 = 65,261.40 : x
  2. Step 2: Convert to fraction form
    154,080.60/231,005.70 = 65,261.40/x
  3. Step 3: Cross multiply
    154,080.60x = 231,005.70 × 65,261.40
  4. Step 4: Simplify right side
    154,080.60x = 15,075,755,389.98
  5. Step 5: Solve for x
    x = 15,075,755,389.98/154,080.60
  6. Step 6: Final answer
    x = 97,843.31

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1.5x scale

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.