Home / 105,221.19-157,840.02-35,100.45

Finding the Fourth Proportional to 105,221.19, 157,840.02 and 35,100.45

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Solution

The fourth proportional to 105,221.19, 157,840.02 and 35,100.45 is: 52,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,221.19 : 157,840.02 = 35,100.45 : x
  2. Step 2: Convert to fraction form
    105,221.19/157,840.02 = 35,100.45/x
  3. Step 3: Cross multiply
    105,221.19x = 157,840.02 × 35,100.45
  4. Step 4: Simplify right side
    105,221.19x = 5,540,255,730.01
  5. Step 5: Solve for x
    x = 5,540,255,730.01/105,221.19
  6. Step 6: Final answer
    x = 52,653.42

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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.