Home / 147,071.16-202,956.30-80,003.16

Finding the Fourth Proportional to 147,071.16, 202,956.30 and 80,003.16

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Solution

The fourth proportional to 147,071.16, 202,956.30 and 80,003.16 is: 110,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,071.16 : 202,956.30 = 80,003.16 : x
  2. Step 2: Convert to fraction form
    147,071.16/202,956.30 = 80,003.16/x
  3. Step 3: Cross multiply
    147,071.16x = 202,956.30 × 80,003.16
  4. Step 4: Simplify right side
    147,071.16x = 16,237,145,341.91
  5. Step 5: Solve for x
    x = 16,237,145,341.91/147,071.16
  6. Step 6: Final answer
    x = 110,403.33

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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.