Home / 112,172.50-168,270.09-45,602.38

Finding the Fourth Proportional to 112,172.50, 168,270.09 and 45,602.38

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Solution

The fourth proportional to 112,172.50, 168,270.09 and 45,602.38 is: 68,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172.50 : 168,270.09 = 45,602.38 : x
  2. Step 2: Convert to fraction form
    112,172.50/168,270.09 = 45,602.38/x
  3. Step 3: Cross multiply
    112,172.50x = 168,270.09 × 45,602.38
  4. Step 4: Simplify right side
    112,172.50x = 7,673,516,586.81
  5. Step 5: Solve for x
    x = 7,673,516,586.81/112,172.50
  6. Step 6: Final answer
    x = 68,408.18

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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.