Home / 153,040.05-211,134.54-88,497.36

Finding the Fourth Proportional to 153,040.05, 211,134.54 and 88,497.36

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Solution

The fourth proportional to 153,040.05, 211,134.54 and 88,497.36 is: 122,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040.05 : 211,134.54 = 88,497.36 : x
  2. Step 2: Convert to fraction form
    153,040.05/211,134.54 = 88,497.36/x
  3. Step 3: Cross multiply
    153,040.05x = 211,134.54 × 88,497.36
  4. Step 4: Simplify right side
    153,040.05x = 18,684,849,394.81
  5. Step 5: Solve for x
    x = 18,684,849,394.81/153,040.05
  6. Step 6: Final answer
    x = 122,091.24

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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.