Home / 242,216.40-363,358.08-64,729.20

Finding the Fourth Proportional to 242,216.40, 363,358.08 and 64,729.20

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Solution

The fourth proportional to 242,216.40, 363,358.08 and 64,729.20 is: 97,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,216.40 : 363,358.08 = 64,729.20 : x
  2. Step 2: Convert to fraction form
    242,216.40/363,358.08 = 64,729.20/x
  3. Step 3: Cross multiply
    242,216.40x = 363,358.08 × 64,729.20
  4. Step 4: Simplify right side
    242,216.40x = 23,519,877,831.94
  5. Step 5: Solve for x
    x = 23,519,877,831.94/242,216.40
  6. Step 6: Final answer
    x = 97,102.75

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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.