Home / 142,053.08-196,037.95-77,525.84

Finding the Fourth Proportional to 142,053.08, 196,037.95 and 77,525.84

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Solution

The fourth proportional to 142,053.08, 196,037.95 and 77,525.84 is: 106,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,053.08 : 196,037.95 = 77,525.84 : x
  2. Step 2: Convert to fraction form
    142,053.08/196,037.95 = 77,525.84/x
  3. Step 3: Cross multiply
    142,053.08x = 196,037.95 × 77,525.84
  4. Step 4: Simplify right side
    142,053.08x = 15,198,006,745.63
  5. Step 5: Solve for x
    x = 15,198,006,745.63/142,053.08
  6. Step 6: Final answer
    x = 106,988.23

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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.