Home / 145,015.17-217,265.27-60,589.47

Finding the Fourth Proportional to 145,015.17, 217,265.27 and 60,589.47

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Solution

The fourth proportional to 145,015.17, 217,265.27 and 60,589.47 is: 90,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,015.17 : 217,265.27 = 60,589.47 : x
  2. Step 2: Convert to fraction form
    145,015.17/217,265.27 = 60,589.47/x
  3. Step 3: Cross multiply
    145,015.17x = 217,265.27 × 60,589.47
  4. Step 4: Simplify right side
    145,015.17x = 13,163,987,558.71
  5. Step 5: Solve for x
    x = 13,163,987,558.71/145,015.17
  6. Step 6: Final answer
    x = 90,776.62

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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.