Home / 180,154.48-248,637.88-103,672.02

Finding the Fourth Proportional to 180,154.48, 248,637.88 and 103,672.02

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Solution

The fourth proportional to 180,154.48, 248,637.88 and 103,672.02 is: 143,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,154.48 : 248,637.88 = 103,672.02 : x
  2. Step 2: Convert to fraction form
    180,154.48/248,637.88 = 103,672.02/x
  3. Step 3: Cross multiply
    180,154.48x = 248,637.88 × 103,672.02
  4. Step 4: Simplify right side
    180,154.48x = 25,776,791,268.12
  5. Step 5: Solve for x
    x = 25,776,791,268.12/180,154.48
  6. Step 6: Final answer
    x = 143,081.60

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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.