Home / 105,254.27-145,249.19-57,506.59

Finding the Fourth Proportional to 105,254.27, 145,249.19 and 57,506.59

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Solution

The fourth proportional to 105,254.27, 145,249.19 and 57,506.59 is: 79,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,254.27 : 145,249.19 = 57,506.59 : x
  2. Step 2: Convert to fraction form
    105,254.27/145,249.19 = 57,506.59/x
  3. Step 3: Cross multiply
    105,254.27x = 145,249.19 × 57,506.59
  4. Step 4: Simplify right side
    105,254.27x = 8,352,785,617.16
  5. Step 5: Solve for x
    x = 8,352,785,617.16/105,254.27
  6. Step 6: Final answer
    x = 79,358.17

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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.