Home / 290,254.08-435,549.27-121,759.50

Finding the Fourth Proportional to 290,254.08, 435,549.27 and 121,759.50

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Solution

The fourth proportional to 290,254.08, 435,549.27 and 121,759.50 is: 182,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,254.08 : 435,549.27 = 121,759.50 : x
  2. Step 2: Convert to fraction form
    290,254.08/435,549.27 = 121,759.50/x
  3. Step 3: Cross multiply
    290,254.08x = 435,549.27 × 121,759.50
  4. Step 4: Simplify right side
    290,254.08x = 53,032,261,340.57
  5. Step 5: Solve for x
    x = 53,032,261,340.57/290,254.08
  6. Step 6: Final answer
    x = 182,709.79

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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.