Home / 122,783.76-183,279.24-105,365.52

Finding the Fourth Proportional to 122,783.76, 183,279.24 and 105,365.52

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Solution

The fourth proportional to 122,783.76, 183,279.24 and 105,365.52 is: 157,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,783.76 : 183,279.24 = 105,365.52 : x
  2. Step 2: Convert to fraction form
    122,783.76/183,279.24 = 105,365.52/x
  3. Step 3: Cross multiply
    122,783.76x = 183,279.24 × 105,365.52
  4. Step 4: Simplify right side
    122,783.76x = 19,311,312,427.80
  5. Step 5: Solve for x
    x = 19,311,312,427.80/122,783.76
  6. Step 6: Final answer
    x = 157,279.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.