Home / 314,823.58-472,096.41-90,133.03

Finding the Fourth Proportional to 314,823.58, 472,096.41 and 90,133.03

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Solution

The fourth proportional to 314,823.58, 472,096.41 and 90,133.03 is: 135,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,823.58 : 472,096.41 = 90,133.03 : x
  2. Step 2: Convert to fraction form
    314,823.58/472,096.41 = 90,133.03/x
  3. Step 3: Cross multiply
    314,823.58x = 472,096.41 × 90,133.03
  4. Step 4: Simplify right side
    314,823.58x = 42,551,479,885.42
  5. Step 5: Solve for x
    x = 42,551,479,885.42/314,823.58
  6. Step 6: Final answer
    x = 135,159.76

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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.