Home / 147,228.48-203,153.52-83,554.08

Finding the Fourth Proportional to 147,228.48, 203,153.52 and 83,554.08

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Solution

The fourth proportional to 147,228.48, 203,153.52 and 83,554.08 is: 115,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,228.48 : 203,153.52 = 83,554.08 : x
  2. Step 2: Convert to fraction form
    147,228.48/203,153.52 = 83,554.08/x
  3. Step 3: Cross multiply
    147,228.48x = 203,153.52 × 83,554.08
  4. Step 4: Simplify right side
    147,228.48x = 16,974,305,462.36
  5. Step 5: Solve for x
    x = 16,974,305,462.36/147,228.48
  6. Step 6: Final answer
    x = 115,292.27

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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.