Home / 140,915.03-194,461.29-77,252.67

Finding the Fourth Proportional to 140,915.03, 194,461.29 and 77,252.67

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Solution

The fourth proportional to 140,915.03, 194,461.29 and 77,252.67 is: 106,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,915.03 : 194,461.29 = 77,252.67 : x
  2. Step 2: Convert to fraction form
    140,915.03/194,461.29 = 77,252.67/x
  3. Step 3: Cross multiply
    140,915.03x = 194,461.29 × 77,252.67
  4. Step 4: Simplify right side
    140,915.03x = 15,022,653,864.14
  5. Step 5: Solve for x
    x = 15,022,653,864.14/140,915.03
  6. Step 6: Final answer
    x = 106,607.89

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1.5x scale

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.