Home / 102,818.16-154,314.72-73,308.24

Finding the Fourth Proportional to 102,818.16, 154,314.72 and 73,308.24

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Solution

The fourth proportional to 102,818.16, 154,314.72 and 73,308.24 is: 110,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,818.16 : 154,314.72 = 73,308.24 : x
  2. Step 2: Convert to fraction form
    102,818.16/154,314.72 = 73,308.24/x
  3. Step 3: Cross multiply
    102,818.16x = 154,314.72 × 73,308.24
  4. Step 4: Simplify right side
    102,818.16x = 11,312,540,529.29
  5. Step 5: Solve for x
    x = 11,312,540,529.29/102,818.16
  6. Step 6: Final answer
    x = 110,024.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.