Home / 139,140.02-191,868.90-119,063.36

Finding the Fourth Proportional to 139,140.02, 191,868.90 and 119,063.36

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Solution

The fourth proportional to 139,140.02, 191,868.90 and 119,063.36 is: 164,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,140.02 : 191,868.90 = 119,063.36 : x
  2. Step 2: Convert to fraction form
    139,140.02/191,868.90 = 119,063.36/x
  3. Step 3: Cross multiply
    139,140.02x = 191,868.90 × 119,063.36
  4. Step 4: Simplify right side
    139,140.02x = 22,844,555,913.50
  5. Step 5: Solve for x
    x = 22,844,555,913.50/139,140.02
  6. Step 6: Final answer
    x = 164,183.93

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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.