Home / 134,280.08-185,309.47-73,853.78

Finding the Fourth Proportional to 134,280.08, 185,309.47 and 73,853.78

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Solution

The fourth proportional to 134,280.08, 185,309.47 and 73,853.78 is: 101,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,280.08 : 185,309.47 = 73,853.78 : x
  2. Step 2: Convert to fraction form
    134,280.08/185,309.47 = 73,853.78/x
  3. Step 3: Cross multiply
    134,280.08x = 185,309.47 × 73,853.78
  4. Step 4: Simplify right side
    134,280.08x = 13,685,804,829.30
  5. Step 5: Solve for x
    x = 13,685,804,829.30/134,280.08
  6. Step 6: Final answer
    x = 101,919.84

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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.