Home / 147,521.32-203,596.62-83,868.64

Finding the Fourth Proportional to 147,521.32, 203,596.62 and 83,868.64

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Solution

The fourth proportional to 147,521.32, 203,596.62 and 83,868.64 is: 115,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521.32 : 203,596.62 = 83,868.64 : x
  2. Step 2: Convert to fraction form
    147,521.32/203,596.62 = 83,868.64/x
  3. Step 3: Cross multiply
    147,521.32x = 203,596.62 × 83,868.64
  4. Step 4: Simplify right side
    147,521.32x = 17,075,371,628.00
  5. Step 5: Solve for x
    x = 17,075,371,628.00/147,521.32
  6. Step 6: Final answer
    x = 115,748.50

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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.