Home / 122,750.01-183,228.90-105,331.77

Finding the Fourth Proportional to 122,750.01, 183,228.90 and 105,331.77

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Solution

The fourth proportional to 122,750.01, 183,228.90 and 105,331.77 is: 157,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,750.01 : 183,228.90 = 105,331.77 : x
  2. Step 2: Convert to fraction form
    122,750.01/183,228.90 = 105,331.77/x
  3. Step 3: Cross multiply
    122,750.01x = 183,228.90 × 105,331.77
  4. Step 4: Simplify right side
    122,750.01x = 19,299,823,825.49
  5. Step 5: Solve for x
    x = 19,299,823,825.49/122,750.01
  6. Step 6: Final answer
    x = 157,228.69

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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.