Home / 211,831.58-317,801.16-98,061.41

Finding the Fourth Proportional to 211,831.58, 317,801.16 and 98,061.41

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Solution

The fourth proportional to 211,831.58, 317,801.16 and 98,061.41 is: 147,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,831.58 : 317,801.16 = 98,061.41 : x
  2. Step 2: Convert to fraction form
    211,831.58/317,801.16 = 98,061.41/x
  3. Step 3: Cross multiply
    211,831.58x = 317,801.16 × 98,061.41
  4. Step 4: Simplify right side
    211,831.58x = 31,164,030,952.75
  5. Step 5: Solve for x
    x = 31,164,030,952.75/211,831.58
  6. Step 6: Final answer
    x = 147,117.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.