Home / 145,919.68-201,382.35-88,573.60

Finding the Fourth Proportional to 145,919.68, 201,382.35 and 88,573.60

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Solution

The fourth proportional to 145,919.68, 201,382.35 and 88,573.60 is: 122,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,919.68 : 201,382.35 = 88,573.60 : x
  2. Step 2: Convert to fraction form
    145,919.68/201,382.35 = 88,573.60/x
  3. Step 3: Cross multiply
    145,919.68x = 201,382.35 × 88,573.60
  4. Step 4: Simplify right side
    145,919.68x = 17,837,160,133.76
  5. Step 5: Solve for x
    x = 17,837,160,133.76/145,919.68
  6. Step 6: Final answer
    x = 122,239.58

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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.