Home / 169,172.36-253,679.08-98,115.20

Finding the Fourth Proportional to 169,172.36, 253,679.08 and 98,115.20

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Solution

The fourth proportional to 169,172.36, 253,679.08 and 98,115.20 is: 147,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,172.36 : 253,679.08 = 98,115.20 : x
  2. Step 2: Convert to fraction form
    169,172.36/253,679.08 = 98,115.20/x
  3. Step 3: Cross multiply
    169,172.36x = 253,679.08 × 98,115.20
  4. Step 4: Simplify right side
    169,172.36x = 24,889,773,670.02
  5. Step 5: Solve for x
    x = 24,889,773,670.02/169,172.36
  6. Step 6: Final answer
    x = 147,126.72

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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.