Home / 189,953.81-262,022.04-125,423.64

Finding the Fourth Proportional to 189,953.81, 262,022.04 and 125,423.64

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Solution

The fourth proportional to 189,953.81, 262,022.04 and 125,423.64 is: 173,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,953.81 : 262,022.04 = 125,423.64 : x
  2. Step 2: Convert to fraction form
    189,953.81/262,022.04 = 125,423.64/x
  3. Step 3: Cross multiply
    189,953.81x = 262,022.04 × 125,423.64
  4. Step 4: Simplify right side
    189,953.81x = 32,863,758,017.03
  5. Step 5: Solve for x
    x = 32,863,758,017.03/189,953.81
  6. Step 6: Final answer
    x = 173,009.21

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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.