Home / 134,203.15-185,200.95-73,777.69

Finding the Fourth Proportional to 134,203.15, 185,200.95 and 73,777.69

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Solution

The fourth proportional to 134,203.15, 185,200.95 and 73,777.69 is: 101,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,203.15 : 185,200.95 = 73,777.69 : x
  2. Step 2: Convert to fraction form
    134,203.15/185,200.95 = 73,777.69/x
  3. Step 3: Cross multiply
    134,203.15x = 185,200.95 × 73,777.69
  4. Step 4: Simplify right side
    134,203.15x = 13,663,698,276.81
  5. Step 5: Solve for x
    x = 13,663,698,276.81/134,203.15
  6. Step 6: Final answer
    x = 101,813.54

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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.