Home / 436,135.60-654,235.80-155,616.40

Finding the Fourth Proportional to 436,135.60, 654,235.80 and 155,616.40

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Solution

The fourth proportional to 436,135.60, 654,235.80 and 155,616.40 is: 233,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,135.60 : 654,235.80 = 155,616.40 : x
  2. Step 2: Convert to fraction form
    436,135.60/654,235.80 = 155,616.40/x
  3. Step 3: Cross multiply
    436,135.60x = 654,235.80 × 155,616.40
  4. Step 4: Simplify right side
    436,135.60x = 101,809,819,947.12
  5. Step 5: Solve for x
    x = 101,809,819,947.12/436,135.60
  6. Step 6: Final answer
    x = 233,436.16

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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.