Home / 203,176.19-280,370.82-112,526.74

Finding the Fourth Proportional to 203,176.19, 280,370.82 and 112,526.74

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Solution

The fourth proportional to 203,176.19, 280,370.82 and 112,526.74 is: 155,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,176.19 : 280,370.82 = 112,526.74 : x
  2. Step 2: Convert to fraction form
    203,176.19/280,370.82 = 112,526.74/x
  3. Step 3: Cross multiply
    203,176.19x = 280,370.82 × 112,526.74
  4. Step 4: Simplify right side
    203,176.19x = 31,549,215,293.75
  5. Step 5: Solve for x
    x = 31,549,215,293.75/203,176.19
  6. Step 6: Final answer
    x = 155,280.08

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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.