Home / 145,595.94-200,921.98-81,933.74

Finding the Fourth Proportional to 145,595.94, 200,921.98 and 81,933.74

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Solution

The fourth proportional to 145,595.94, 200,921.98 and 81,933.74 is: 113,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,595.94 : 200,921.98 = 81,933.74 : x
  2. Step 2: Convert to fraction form
    145,595.94/200,921.98 = 81,933.74/x
  3. Step 3: Cross multiply
    145,595.94x = 200,921.98 × 81,933.74
  4. Step 4: Simplify right side
    145,595.94x = 16,462,289,269.61
  5. Step 5: Solve for x
    x = 16,462,289,269.61/145,595.94
  6. Step 6: Final answer
    x = 113,068.33

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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.