Home / 189,151.83-261,031.32-104,271.93

Finding the Fourth Proportional to 189,151.83, 261,031.32 and 104,271.93

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Solution

The fourth proportional to 189,151.83, 261,031.32 and 104,271.93 is: 143,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,151.83 : 261,031.32 = 104,271.93 : x
  2. Step 2: Convert to fraction form
    189,151.83/261,031.32 = 104,271.93/x
  3. Step 3: Cross multiply
    189,151.83x = 261,031.32 × 104,271.93
  4. Step 4: Simplify right side
    189,151.83x = 27,218,239,526.85
  5. Step 5: Solve for x
    x = 27,218,239,526.85/189,151.83
  6. Step 6: Final answer
    x = 143,896.25

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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.