Home / 401,528.75-602,382.22-121,025.75

Finding the Fourth Proportional to 401,528.75, 602,382.22 and 121,025.75

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Solution

The fourth proportional to 401,528.75, 602,382.22 and 121,025.75 is: 181,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,528.75 : 602,382.22 = 121,025.75 : x
  2. Step 2: Convert to fraction form
    401,528.75/602,382.22 = 121,025.75/x
  3. Step 3: Cross multiply
    401,528.75x = 602,382.22 × 121,025.75
  4. Step 4: Simplify right side
    401,528.75x = 72,903,756,647.69
  5. Step 5: Solve for x
    x = 72,903,756,647.69/401,528.75
  6. Step 6: Final answer
    x = 181,565.47

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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.