Home / 155,409.84-233,115.22-127,522.86

Finding the Fourth Proportional to 155,409.84, 233,115.22 and 127,522.86

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Solution

The fourth proportional to 155,409.84, 233,115.22 and 127,522.86 is: 191,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,409.84 : 233,115.22 = 127,522.86 : x
  2. Step 2: Convert to fraction form
    155,409.84/233,115.22 = 127,522.86/x
  3. Step 3: Cross multiply
    155,409.84x = 233,115.22 × 127,522.86
  4. Step 4: Simplify right side
    155,409.84x = 29,727,518,131.83
  5. Step 5: Solve for x
    x = 29,727,518,131.83/155,409.84
  6. Step 6: Final answer
    x = 191,284.66

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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.