Home / 153,928.14-212,425.30-85,944.03

Finding the Fourth Proportional to 153,928.14, 212,425.30 and 85,944.03

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Solution

The fourth proportional to 153,928.14, 212,425.30 and 85,944.03 is: 118,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,928.14 : 212,425.30 = 85,944.03 : x
  2. Step 2: Convert to fraction form
    153,928.14/212,425.30 = 85,944.03/x
  3. Step 3: Cross multiply
    153,928.14x = 212,425.30 × 85,944.03
  4. Step 4: Simplify right side
    153,928.14x = 18,256,686,355.96
  5. Step 5: Solve for x
    x = 18,256,686,355.96/153,928.14
  6. Step 6: Final answer
    x = 118,605.26

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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.