Home / 124,105.14-171,268.08-70,393.80

Finding the Fourth Proportional to 124,105.14, 171,268.08 and 70,393.80

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Solution

The fourth proportional to 124,105.14, 171,268.08 and 70,393.80 is: 97,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,105.14 : 171,268.08 = 70,393.80 : x
  2. Step 2: Convert to fraction form
    124,105.14/171,268.08 = 70,393.80/x
  3. Step 3: Cross multiply
    124,105.14x = 171,268.08 × 70,393.80
  4. Step 4: Simplify right side
    124,105.14x = 12,056,210,969.90
  5. Step 5: Solve for x
    x = 12,056,210,969.90/124,105.14
  6. Step 6: Final answer
    x = 97,145.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.