Home / 153,496.76-211,831.38-88,968.11

Finding the Fourth Proportional to 153,496.76, 211,831.38 and 88,968.11

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Solution

The fourth proportional to 153,496.76, 211,831.38 and 88,968.11 is: 122,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,496.76 : 211,831.38 = 88,968.11 : x
  2. Step 2: Convert to fraction form
    153,496.76/211,831.38 = 88,968.11/x
  3. Step 3: Cross multiply
    153,496.76x = 211,831.38 × 88,968.11
  4. Step 4: Simplify right side
    153,496.76x = 18,846,236,458.13
  5. Step 5: Solve for x
    x = 18,846,236,458.13/153,496.76
  6. Step 6: Final answer
    x = 122,779.38

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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.