Home / 141,005.37-194,587.74-77,343.42

Finding the Fourth Proportional to 141,005.37, 194,587.74 and 77,343.42

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Solution

The fourth proportional to 141,005.37, 194,587.74 and 77,343.42 is: 106,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,005.37 : 194,587.74 = 77,343.42 : x
  2. Step 2: Convert to fraction form
    141,005.37/194,587.74 = 77,343.42/x
  3. Step 3: Cross multiply
    141,005.37x = 194,587.74 × 77,343.42
  4. Step 4: Simplify right side
    141,005.37x = 15,050,081,301.67
  5. Step 5: Solve for x
    x = 15,050,081,301.67/141,005.37
  6. Step 6: Final answer
    x = 106,734.10

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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.