Home / 105,288.24-145,304.80-59,359.22

Finding the Fourth Proportional to 105,288.24, 145,304.80 and 59,359.22

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Solution

The fourth proportional to 105,288.24, 145,304.80 and 59,359.22 is: 81,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,288.24 : 145,304.80 = 59,359.22 : x
  2. Step 2: Convert to fraction form
    105,288.24/145,304.80 = 59,359.22/x
  3. Step 3: Cross multiply
    105,288.24x = 145,304.80 × 59,359.22
  4. Step 4: Simplify right side
    105,288.24x = 8,625,179,590.26
  5. Step 5: Solve for x
    x = 8,625,179,590.26/105,288.24
  6. Step 6: Final answer
    x = 81,919.69

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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.