Home / 134,030.13-184,963.69-72,776.28

Finding the Fourth Proportional to 134,030.13, 184,963.69 and 72,776.28

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Solution

The fourth proportional to 134,030.13, 184,963.69 and 72,776.28 is: 100,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,030.13 : 184,963.69 = 72,776.28 : x
  2. Step 2: Convert to fraction form
    134,030.13/184,963.69 = 72,776.28/x
  3. Step 3: Cross multiply
    134,030.13x = 184,963.69 × 72,776.28
  4. Step 4: Simplify right side
    134,030.13x = 13,460,969,293.27
  5. Step 5: Solve for x
    x = 13,460,969,293.27/134,030.13
  6. Step 6: Final answer
    x = 100,432.42

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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.