Home / 189,135.93-261,007.59-104,254.83

Finding the Fourth Proportional to 189,135.93, 261,007.59 and 104,254.83

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Solution

The fourth proportional to 189,135.93, 261,007.59 and 104,254.83 is: 143,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,135.93 : 261,007.59 = 104,254.83 : x
  2. Step 2: Convert to fraction form
    189,135.93/261,007.59 = 104,254.83/x
  3. Step 3: Cross multiply
    189,135.93x = 261,007.59 × 104,254.83
  4. Step 4: Simplify right side
    189,135.93x = 27,211,301,924.16
  5. Step 5: Solve for x
    x = 27,211,301,924.16/189,135.93
  6. Step 6: Final answer
    x = 143,871.67

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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.