Home / 253,664.37-349,888.23-163,134.85

Finding the Fourth Proportional to 253,664.37, 349,888.23 and 163,134.85

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Solution

The fourth proportional to 253,664.37, 349,888.23 and 163,134.85 is: 225,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,664.37 : 349,888.23 = 163,134.85 : x
  2. Step 2: Convert to fraction form
    253,664.37/349,888.23 = 163,134.85/x
  3. Step 3: Cross multiply
    253,664.37x = 349,888.23 × 163,134.85
  4. Step 4: Simplify right side
    253,664.37x = 57,078,963,917.82
  5. Step 5: Solve for x
    x = 57,078,963,917.82/253,664.37
  6. Step 6: Final answer
    x = 225,017.67

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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.