Home / 371,527.37-557,115.36-143,929.59

Finding the Fourth Proportional to 371,527.37, 557,115.36 and 143,929.59

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Solution

The fourth proportional to 371,527.37, 557,115.36 and 143,929.59 is: 215,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,527.37 : 557,115.36 = 143,929.59 : x
  2. Step 2: Convert to fraction form
    371,527.37/557,115.36 = 143,929.59/x
  3. Step 3: Cross multiply
    371,527.37x = 557,115.36 × 143,929.59
  4. Step 4: Simplify right side
    371,527.37x = 80,185,385,347.50
  5. Step 5: Solve for x
    x = 80,185,385,347.50/371,527.37
  6. Step 6: Final answer
    x = 215,826.32

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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.