Home / 147,520.32-203,595.24-83,867.64

Finding the Fourth Proportional to 147,520.32, 203,595.24 and 83,867.64

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Solution

The fourth proportional to 147,520.32, 203,595.24 and 83,867.64 is: 115,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,520.32 : 203,595.24 = 83,867.64 : x
  2. Step 2: Convert to fraction form
    147,520.32/203,595.24 = 83,867.64/x
  3. Step 3: Cross multiply
    147,520.32x = 203,595.24 × 83,867.64
  4. Step 4: Simplify right side
    147,520.32x = 17,075,052,294.03
  5. Step 5: Solve for x
    x = 17,075,052,294.03/147,520.32
  6. Step 6: Final answer
    x = 115,747.12

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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.