Home / 147,319.35-203,300.73-80,251.35

Finding the Fourth Proportional to 147,319.35, 203,300.73 and 80,251.35

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Solution

The fourth proportional to 147,319.35, 203,300.73 and 80,251.35 is: 110,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,319.35 : 203,300.73 = 80,251.35 : x
  2. Step 2: Convert to fraction form
    147,319.35/203,300.73 = 80,251.35/x
  3. Step 3: Cross multiply
    147,319.35x = 203,300.73 × 80,251.35
  4. Step 4: Simplify right side
    147,319.35x = 16,315,158,038.49
  5. Step 5: Solve for x
    x = 16,315,158,038.49/147,319.35
  6. Step 6: Final answer
    x = 110,746.88

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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.