Home / 145,266.01-200,465.89-81,602.44

Finding the Fourth Proportional to 145,266.01, 200,465.89 and 81,602.44

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Solution

The fourth proportional to 145,266.01, 200,465.89 and 81,602.44 is: 112,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,266.01 : 200,465.89 = 81,602.44 : x
  2. Step 2: Convert to fraction form
    145,266.01/200,465.89 = 81,602.44/x
  3. Step 3: Cross multiply
    145,266.01x = 200,465.89 × 81,602.44
  4. Step 4: Simplify right side
    145,266.01x = 16,358,505,055.60
  5. Step 5: Solve for x
    x = 16,358,505,055.60/145,266.01
  6. Step 6: Final answer
    x = 112,610.69

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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.