Home / 153,386.10-228,847.09-136,546.20

Finding the Fourth Proportional to 153,386.10, 228,847.09 and 136,546.20

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Solution

The fourth proportional to 153,386.10, 228,847.09 and 136,546.20 is: 203,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,386.10 : 228,847.09 = 136,546.20 : x
  2. Step 2: Convert to fraction form
    153,386.10/228,847.09 = 136,546.20/x
  3. Step 3: Cross multiply
    153,386.10x = 228,847.09 × 136,546.20
  4. Step 4: Simplify right side
    153,386.10x = 31,248,200,520.56
  5. Step 5: Solve for x
    x = 31,248,200,520.56/153,386.10
  6. Step 6: Final answer
    x = 203,722.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.