Home / 189,519.93-261,225.90-134,347.77

Finding the Fourth Proportional to 189,519.93, 261,225.90 and 134,347.77

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Solution

The fourth proportional to 189,519.93, 261,225.90 and 134,347.77 is: 185,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,519.93 : 261,225.90 = 134,347.77 : x
  2. Step 2: Convert to fraction form
    189,519.93/261,225.90 = 134,347.77/x
  3. Step 3: Cross multiply
    189,519.93x = 261,225.90 × 134,347.77
  4. Step 4: Simplify right side
    189,519.93x = 35,095,117,131.24
  5. Step 5: Solve for x
    x = 35,095,117,131.24/189,519.93
  6. Step 6: Final answer
    x = 185,179.03

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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.