Home / 143,526.24-198,070.56-83,091.30

Finding the Fourth Proportional to 143,526.24, 198,070.56 and 83,091.30

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Solution

The fourth proportional to 143,526.24, 198,070.56 and 83,091.30 is: 114,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,526.24 : 198,070.56 = 83,091.30 : x
  2. Step 2: Convert to fraction form
    143,526.24/198,070.56 = 83,091.30/x
  3. Step 3: Cross multiply
    143,526.24x = 198,070.56 × 83,091.30
  4. Step 4: Simplify right side
    143,526.24x = 16,457,940,322.13
  5. Step 5: Solve for x
    x = 16,457,940,322.13/143,526.24
  6. Step 6: Final answer
    x = 114,668.51

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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.