Home / 153,823.32-212,372.28-117,944.37

Finding the Fourth Proportional to 153,823.32, 212,372.28 and 117,944.37

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Solution

The fourth proportional to 153,823.32, 212,372.28 and 117,944.37 is: 162,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,823.32 : 212,372.28 = 117,944.37 : x
  2. Step 2: Convert to fraction form
    153,823.32/212,372.28 = 117,944.37/x
  3. Step 3: Cross multiply
    153,823.32x = 212,372.28 × 117,944.37
  4. Step 4: Simplify right side
    153,823.32x = 25,048,114,770.06
  5. Step 5: Solve for x
    x = 25,048,114,770.06/153,823.32
  6. Step 6: Final answer
    x = 162,836.91

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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.