Home / 143,824.60-215,477.70-127,235.80

Finding the Fourth Proportional to 143,824.60, 215,477.70 and 127,235.80

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Solution

The fourth proportional to 143,824.60, 215,477.70 and 127,235.80 is: 190,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,824.60 : 215,477.70 = 127,235.80 : x
  2. Step 2: Convert to fraction form
    143,824.60/215,477.70 = 127,235.80/x
  3. Step 3: Cross multiply
    143,824.60x = 215,477.70 × 127,235.80
  4. Step 4: Simplify right side
    143,824.60x = 27,416,477,541.66
  5. Step 5: Solve for x
    x = 27,416,477,541.66/143,824.60
  6. Step 6: Final answer
    x = 190,624.40

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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.