Home / 155,636.64-233,454.15-99,336.78

Finding the Fourth Proportional to 155,636.64, 233,454.15 and 99,336.78

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Solution

The fourth proportional to 155,636.64, 233,454.15 and 99,336.78 is: 149,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,636.64 : 233,454.15 = 99,336.78 : x
  2. Step 2: Convert to fraction form
    155,636.64/233,454.15 = 99,336.78/x
  3. Step 3: Cross multiply
    155,636.64x = 233,454.15 × 99,336.78
  4. Step 4: Simplify right side
    155,636.64x = 23,190,583,538.64
  5. Step 5: Solve for x
    x = 23,190,583,538.64/155,636.64
  6. Step 6: Final answer
    x = 149,004.65

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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.