Home / 145,920.76-201,401.96-92,171.59

Finding the Fourth Proportional to 145,920.76, 201,401.96 and 92,171.59

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Solution

The fourth proportional to 145,920.76, 201,401.96 and 92,171.59 is: 127,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,920.76 : 201,401.96 = 92,171.59 : x
  2. Step 2: Convert to fraction form
    145,920.76/201,401.96 = 92,171.59/x
  3. Step 3: Cross multiply
    145,920.76x = 201,401.96 × 92,171.59
  4. Step 4: Simplify right side
    145,920.76x = 18,563,537,917.95
  5. Step 5: Solve for x
    x = 18,563,537,917.95/145,920.76
  6. Step 6: Final answer
    x = 127,216.57

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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.