Home / 129,153.00-178,233.27-71,012.19

Finding the Fourth Proportional to 129,153.00, 178,233.27 and 71,012.19

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Solution

The fourth proportional to 129,153.00, 178,233.27 and 71,012.19 is: 97,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,153.00 : 178,233.27 = 71,012.19 : x
  2. Step 2: Convert to fraction form
    129,153.00/178,233.27 = 71,012.19/x
  3. Step 3: Cross multiply
    129,153.00x = 178,233.27 × 71,012.19
  4. Step 4: Simplify right side
    129,153.00x = 12,656,735,235.64
  5. Step 5: Solve for x
    x = 12,656,735,235.64/129,153.00
  6. Step 6: Final answer
    x = 97,998.00

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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.