Home / 145,640.30-200,880.09-97,217.84

Finding the Fourth Proportional to 145,640.30, 200,880.09 and 97,217.84

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Solution

The fourth proportional to 145,640.30, 200,880.09 and 97,217.84 is: 134,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,640.30 : 200,880.09 = 97,217.84 : x
  2. Step 2: Convert to fraction form
    145,640.30/200,880.09 = 97,217.84/x
  3. Step 3: Cross multiply
    145,640.30x = 200,880.09 × 97,217.84
  4. Step 4: Simplify right side
    145,640.30x = 19,529,128,448.81
  5. Step 5: Solve for x
    x = 19,529,128,448.81/145,640.30
  6. Step 6: Final answer
    x = 134,091.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.