Home / 104,525.19-144,165.29-72,313.40

Finding the Fourth Proportional to 104,525.19, 144,165.29 and 72,313.40

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Solution

The fourth proportional to 104,525.19, 144,165.29 and 72,313.40 is: 99,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,525.19 : 144,165.29 = 72,313.40 : x
  2. Step 2: Convert to fraction form
    104,525.19/144,165.29 = 72,313.40/x
  3. Step 3: Cross multiply
    104,525.19x = 144,165.29 × 72,313.40
  4. Step 4: Simplify right side
    104,525.19x = 10,425,082,280.73
  5. Step 5: Solve for x
    x = 10,425,082,280.73/104,525.19
  6. Step 6: Final answer
    x = 99,737.51

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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.