Home / 147,111.19-220,699.59-53,616.94

Finding the Fourth Proportional to 147,111.19, 220,699.59 and 53,616.94

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Solution

The fourth proportional to 147,111.19, 220,699.59 and 53,616.94 is: 80,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,111.19 : 220,699.59 = 53,616.94 : x
  2. Step 2: Convert to fraction form
    147,111.19/220,699.59 = 53,616.94/x
  3. Step 3: Cross multiply
    147,111.19x = 220,699.59 × 53,616.94
  4. Step 4: Simplify right side
    147,111.19x = 11,833,235,922.24
  5. Step 5: Solve for x
    x = 11,833,235,922.24/147,111.19
  6. Step 6: Final answer
    x = 80,437.36

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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.