Home / 194,638.24-291,703.01-99,788.05

Finding the Fourth Proportional to 194,638.24, 291,703.01 and 99,788.05

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Solution

The fourth proportional to 194,638.24, 291,703.01 and 99,788.05 is: 149,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,638.24 : 291,703.01 = 99,788.05 : x
  2. Step 2: Convert to fraction form
    194,638.24/291,703.01 = 99,788.05/x
  3. Step 3: Cross multiply
    194,638.24x = 291,703.01 × 99,788.05
  4. Step 4: Simplify right side
    194,638.24x = 29,108,473,088.52
  5. Step 5: Solve for x
    x = 29,108,473,088.52/194,638.24
  6. Step 6: Final answer
    x = 149,551.67

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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.