Home / 105,268.04-156,548.20-101,945.70

Finding the Fourth Proportional to 105,268.04, 156,548.20 and 101,945.70

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Solution

The fourth proportional to 105,268.04, 156,548.20 and 101,945.70 is: 151,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,268.04 : 156,548.20 = 101,945.70 : x
  2. Step 2: Convert to fraction form
    105,268.04/156,548.20 = 101,945.70/x
  3. Step 3: Cross multiply
    105,268.04x = 156,548.20 × 101,945.70
  4. Step 4: Simplify right side
    105,268.04x = 15,959,415,832.74
  5. Step 5: Solve for x
    x = 15,959,415,832.74/105,268.04
  6. Step 6: Final answer
    x = 151,607.42

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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.