Home / 145,567.12-200,888.52-81,039.00

Finding the Fourth Proportional to 145,567.12, 200,888.52 and 81,039.00

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Solution

The fourth proportional to 145,567.12, 200,888.52 and 81,039.00 is: 111,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,567.12 : 200,888.52 = 81,039.00 : x
  2. Step 2: Convert to fraction form
    145,567.12/200,888.52 = 81,039.00/x
  3. Step 3: Cross multiply
    145,567.12x = 200,888.52 × 81,039.00
  4. Step 4: Simplify right side
    145,567.12x = 16,279,805,221.72
  5. Step 5: Solve for x
    x = 16,279,805,221.72/145,567.12
  6. Step 6: Final answer
    x = 111,837.10

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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.