Home / 145,415.25-200,675.48-88,056.32

Finding the Fourth Proportional to 145,415.25, 200,675.48 and 88,056.32

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Solution

The fourth proportional to 145,415.25, 200,675.48 and 88,056.32 is: 121,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,415.25 : 200,675.48 = 88,056.32 : x
  2. Step 2: Convert to fraction form
    145,415.25/200,675.48 = 88,056.32/x
  3. Step 3: Cross multiply
    145,415.25x = 200,675.48 × 88,056.32
  4. Step 4: Simplify right side
    145,415.25x = 17,670,742,839.37
  5. Step 5: Solve for x
    x = 17,670,742,839.37/145,415.25
  6. Step 6: Final answer
    x = 121,519.19

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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.