Home / 147,567.90-203,639.22-83,040.74

Finding the Fourth Proportional to 147,567.90, 203,639.22 and 83,040.74

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Solution

The fourth proportional to 147,567.90, 203,639.22 and 83,040.74 is: 114,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,567.90 : 203,639.22 = 83,040.74 : x
  2. Step 2: Convert to fraction form
    147,567.90/203,639.22 = 83,040.74/x
  3. Step 3: Cross multiply
    147,567.90x = 203,639.22 × 83,040.74
  4. Step 4: Simplify right side
    147,567.90x = 16,910,350,503.63
  5. Step 5: Solve for x
    x = 16,910,350,503.63/147,567.90
  6. Step 6: Final answer
    x = 114,593.69

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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.