Home / 189,146.93-261,041.13-141,317.24

Finding the Fourth Proportional to 189,146.93, 261,041.13 and 141,317.24

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Solution

The fourth proportional to 189,146.93, 261,041.13 and 141,317.24 is: 195,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,146.93 : 261,041.13 = 141,317.24 : x
  2. Step 2: Convert to fraction form
    189,146.93/261,041.13 = 141,317.24/x
  3. Step 3: Cross multiply
    189,146.93x = 261,041.13 × 141,317.24
  4. Step 4: Simplify right side
    189,146.93x = 36,889,610,712.88
  5. Step 5: Solve for x
    x = 36,889,610,712.88/189,146.93
  6. Step 6: Final answer
    x = 195,031.51

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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.