Home / 435,458.02-653,187.08-135,964.25

Finding the Fourth Proportional to 435,458.02, 653,187.08 and 135,964.25

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Solution

The fourth proportional to 435,458.02, 653,187.08 and 135,964.25 is: 203,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,458.02 : 653,187.08 = 135,964.25 : x
  2. Step 2: Convert to fraction form
    435,458.02/653,187.08 = 135,964.25/x
  3. Step 3: Cross multiply
    435,458.02x = 653,187.08 × 135,964.25
  4. Step 4: Simplify right side
    435,458.02x = 88,810,090,965.32
  5. Step 5: Solve for x
    x = 88,810,090,965.32/435,458.02
  6. Step 6: Final answer
    x = 203,946.39

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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.