Home / 155,359.20-233,038.80-66,597.60

Finding the Fourth Proportional to 155,359.20, 233,038.80 and 66,597.60

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Solution

The fourth proportional to 155,359.20, 233,038.80 and 66,597.60 is: 99,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,359.20 : 233,038.80 = 66,597.60 : x
  2. Step 2: Convert to fraction form
    155,359.20/233,038.80 = 66,597.60/x
  3. Step 3: Cross multiply
    155,359.20x = 233,038.80 × 66,597.60
  4. Step 4: Simplify right side
    155,359.20x = 15,519,824,786.88
  5. Step 5: Solve for x
    x = 15,519,824,786.88/155,359.20
  6. Step 6: Final answer
    x = 99,896.40

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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.