Home / 147,522.32-203,598-83,869.64

Finding the Fourth Proportional to 147,522.32, 203,598 and 83,869.64

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Solution

The fourth proportional to 147,522.32, 203,598 and 83,869.64 is: 115,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,522.32 : 203,598 = 83,869.64 : x
  2. Step 2: Convert to fraction form
    147,522.32/203,598 = 83,869.64/x
  3. Step 3: Cross multiply
    147,522.32x = 203,598 × 83,869.64
  4. Step 4: Simplify right side
    147,522.32x = 17,075,690,964.72
  5. Step 5: Solve for x
    x = 17,075,690,964.72/147,522.32
  6. Step 6: Final answer
    x = 115,749.88

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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.