Home / 153,336.32-211,601.85-85,353.19

Finding the Fourth Proportional to 153,336.32, 211,601.85 and 85,353.19

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Solution

The fourth proportional to 153,336.32, 211,601.85 and 85,353.19 is: 117,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,336.32 : 211,601.85 = 85,353.19 : x
  2. Step 2: Convert to fraction form
    153,336.32/211,601.85 = 85,353.19/x
  3. Step 3: Cross multiply
    153,336.32x = 211,601.85 × 85,353.19
  4. Step 4: Simplify right side
    153,336.32x = 18,060,892,907.40
  5. Step 5: Solve for x
    x = 18,060,892,907.40/153,336.32
  6. Step 6: Final answer
    x = 117,786.14

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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.