Home / 153,234.37-211,470.30-127,698.01

Finding the Fourth Proportional to 153,234.37, 211,470.30 and 127,698.01

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Solution

The fourth proportional to 153,234.37, 211,470.30 and 127,698.01 is: 176,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,234.37 : 211,470.30 = 127,698.01 : x
  2. Step 2: Convert to fraction form
    153,234.37/211,470.30 = 127,698.01/x
  3. Step 3: Cross multiply
    153,234.37x = 211,470.30 × 127,698.01
  4. Step 4: Simplify right side
    153,234.37x = 27,004,336,484.10
  5. Step 5: Solve for x
    x = 27,004,336,484.10/153,234.37
  6. Step 6: Final answer
    x = 176,228.98

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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.