Home / 210,024.69-315,099.60-97,771.24

Finding the Fourth Proportional to 210,024.69, 315,099.60 and 97,771.24

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Solution

The fourth proportional to 210,024.69, 315,099.60 and 97,771.24 is: 146,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,024.69 : 315,099.60 = 97,771.24 : x
  2. Step 2: Convert to fraction form
    210,024.69/315,099.60 = 97,771.24/x
  3. Step 3: Cross multiply
    210,024.69x = 315,099.60 × 97,771.24
  4. Step 4: Simplify right side
    210,024.69x = 30,807,678,615.50
  5. Step 5: Solve for x
    x = 30,807,678,615.50/210,024.69
  6. Step 6: Final answer
    x = 146,685.99

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1.5x scale

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.