Home / 197,530.47-296,225.64-71,136.81

Finding the Fourth Proportional to 197,530.47, 296,225.64 and 71,136.81

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Solution

The fourth proportional to 197,530.47, 296,225.64 and 71,136.81 is: 106,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,530.47 : 296,225.64 = 71,136.81 : x
  2. Step 2: Convert to fraction form
    197,530.47/296,225.64 = 71,136.81/x
  3. Step 3: Cross multiply
    197,530.47x = 296,225.64 × 71,136.81
  4. Step 4: Simplify right side
    197,530.47x = 21,072,547,069.81
  5. Step 5: Solve for x
    x = 21,072,547,069.81/197,530.47
  6. Step 6: Final answer
    x = 106,679.98

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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.