Home / 157,586.72-236,423.81-87,515.24

Finding the Fourth Proportional to 157,586.72, 236,423.81 and 87,515.24

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Solution

The fourth proportional to 157,586.72, 236,423.81 and 87,515.24 is: 131,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,586.72 : 236,423.81 = 87,515.24 : x
  2. Step 2: Convert to fraction form
    157,586.72/236,423.81 = 87,515.24/x
  3. Step 3: Cross multiply
    157,586.72x = 236,423.81 × 87,515.24
  4. Step 4: Simplify right side
    157,586.72x = 20,690,685,510.53
  5. Step 5: Solve for x
    x = 20,690,685,510.53/157,586.72
  6. Step 6: Final answer
    x = 131,297.14

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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.