Home / 147,611.06-203,703.73-83,953.30

Finding the Fourth Proportional to 147,611.06, 203,703.73 and 83,953.30

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Solution

The fourth proportional to 147,611.06, 203,703.73 and 83,953.30 is: 115,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,611.06 : 203,703.73 = 83,953.30 : x
  2. Step 2: Convert to fraction form
    147,611.06/203,703.73 = 83,953.30/x
  3. Step 3: Cross multiply
    147,611.06x = 203,703.73 × 83,953.30
  4. Step 4: Simplify right side
    147,611.06x = 17,101,600,355.81
  5. Step 5: Solve for x
    x = 17,101,600,355.81/147,611.06
  6. Step 6: Final answer
    x = 115,855.82

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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.