Home / 147,036.20-220,554.30-105,564.20

Finding the Fourth Proportional to 147,036.20, 220,554.30 and 105,564.20

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Solution

The fourth proportional to 147,036.20, 220,554.30 and 105,564.20 is: 158,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,036.20 : 220,554.30 = 105,564.20 : x
  2. Step 2: Convert to fraction form
    147,036.20/220,554.30 = 105,564.20/x
  3. Step 3: Cross multiply
    147,036.20x = 220,554.30 × 105,564.20
  4. Step 4: Simplify right side
    147,036.20x = 23,282,638,236.06
  5. Step 5: Solve for x
    x = 23,282,638,236.06/147,036.20
  6. Step 6: Final answer
    x = 158,346.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.