Home / 147,410.88-203,421.60-80,341.44

Finding the Fourth Proportional to 147,410.88, 203,421.60 and 80,341.44

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Solution

The fourth proportional to 147,410.88, 203,421.60 and 80,341.44 is: 110,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,410.88 : 203,421.60 = 80,341.44 : x
  2. Step 2: Convert to fraction form
    147,410.88/203,421.60 = 80,341.44/x
  3. Step 3: Cross multiply
    147,410.88x = 203,421.60 × 80,341.44
  4. Step 4: Simplify right side
    147,410.88x = 16,343,184,271.10
  5. Step 5: Solve for x
    x = 16,343,184,271.10/147,410.88
  6. Step 6: Final answer
    x = 110,868.24

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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.