Home / 147,203.08-203,166.84-86,770.24

Finding the Fourth Proportional to 147,203.08, 203,166.84 and 86,770.24

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Solution

The fourth proportional to 147,203.08, 203,166.84 and 86,770.24 is: 119,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,203.08 : 203,166.84 = 86,770.24 : x
  2. Step 2: Convert to fraction form
    147,203.08/203,166.84 = 86,770.24/x
  3. Step 3: Cross multiply
    147,203.08x = 203,166.84 × 86,770.24
  4. Step 4: Simplify right side
    147,203.08x = 17,628,835,466.84
  5. Step 5: Solve for x
    x = 17,628,835,466.84/147,203.08
  6. Step 6: Final answer
    x = 119,758.60

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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.