Home / 129,800.36-179,205.58-99,527.52

Finding the Fourth Proportional to 129,800.36, 179,205.58 and 99,527.52

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Solution

The fourth proportional to 129,800.36, 179,205.58 and 99,527.52 is: 137,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,800.36 : 179,205.58 = 99,527.52 : x
  2. Step 2: Convert to fraction form
    129,800.36/179,205.58 = 99,527.52/x
  3. Step 3: Cross multiply
    129,800.36x = 179,205.58 × 99,527.52
  4. Step 4: Simplify right side
    129,800.36x = 17,835,886,947.56
  5. Step 5: Solve for x
    x = 17,835,886,947.56/129,800.36
  6. Step 6: Final answer
    x = 137,410.15

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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.