Home / 145,550.16-200,858.85-81,888.03

Finding the Fourth Proportional to 145,550.16, 200,858.85 and 81,888.03

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Solution

The fourth proportional to 145,550.16, 200,858.85 and 81,888.03 is: 113,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550.16 : 200,858.85 = 81,888.03 : x
  2. Step 2: Convert to fraction form
    145,550.16/200,858.85 = 81,888.03/x
  3. Step 3: Cross multiply
    145,550.16x = 200,858.85 × 81,888.03
  4. Step 4: Simplify right side
    145,550.16x = 16,447,935,534.57
  5. Step 5: Solve for x
    x = 16,447,935,534.57/145,550.16
  6. Step 6: Final answer
    x = 113,005.27

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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.