Home / 454,220.33-681,430.23-134,347.21

Finding the Fourth Proportional to 454,220.33, 681,430.23 and 134,347.21

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Solution

The fourth proportional to 454,220.33, 681,430.23 and 134,347.21 is: 201,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,220.33 : 681,430.23 = 134,347.21 : x
  2. Step 2: Convert to fraction form
    454,220.33/681,430.23 = 134,347.21/x
  3. Step 3: Cross multiply
    454,220.33x = 681,430.23 × 134,347.21
  4. Step 4: Simplify right side
    454,220.33x = 91,548,248,506.58
  5. Step 5: Solve for x
    x = 91,548,248,506.58/454,220.33
  6. Step 6: Final answer
    x = 201,550.31

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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.