Home / 153,946.37-212,427.26-85,967.12

Finding the Fourth Proportional to 153,946.37, 212,427.26 and 85,967.12

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Solution

The fourth proportional to 153,946.37, 212,427.26 and 85,967.12 is: 118,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,946.37 : 212,427.26 = 85,967.12 : x
  2. Step 2: Convert to fraction form
    153,946.37/212,427.26 = 85,967.12/x
  3. Step 3: Cross multiply
    153,946.37x = 212,427.26 × 85,967.12
  4. Step 4: Simplify right side
    153,946.37x = 18,261,760,175.30
  5. Step 5: Solve for x
    x = 18,261,760,175.30/153,946.37
  6. Step 6: Final answer
    x = 118,624.17

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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.