Home / 164,439.36-226,926.72-88,988.40

Finding the Fourth Proportional to 164,439.36, 226,926.72 and 88,988.40

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Solution

The fourth proportional to 164,439.36, 226,926.72 and 88,988.40 is: 122,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,439.36 : 226,926.72 = 88,988.40 : x
  2. Step 2: Convert to fraction form
    164,439.36/226,926.72 = 88,988.40/x
  3. Step 3: Cross multiply
    164,439.36x = 226,926.72 × 88,988.40
  4. Step 4: Simplify right side
    164,439.36x = 20,193,845,730.05
  5. Step 5: Solve for x
    x = 20,193,845,730.05/164,439.36
  6. Step 6: Final answer
    x = 122,804.21

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1.5x scale

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.