Home / 221,357.76-305,435.58-124,548.18

Finding the Fourth Proportional to 221,357.76, 305,435.58 and 124,548.18

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Solution

The fourth proportional to 221,357.76, 305,435.58 and 124,548.18 is: 171,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,357.76 : 305,435.58 = 124,548.18 : x
  2. Step 2: Convert to fraction form
    221,357.76/305,435.58 = 124,548.18/x
  3. Step 3: Cross multiply
    221,357.76x = 305,435.58 × 124,548.18
  4. Step 4: Simplify right side
    221,357.76x = 38,041,444,973.50
  5. Step 5: Solve for x
    x = 38,041,444,973.50/221,357.76
  6. Step 6: Final answer
    x = 171,855.03

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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.