Home / 179,543.52-247,633.20-137,242.08

Finding the Fourth Proportional to 179,543.52, 247,633.20 and 137,242.08

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Solution

The fourth proportional to 179,543.52, 247,633.20 and 137,242.08 is: 189,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,543.52 : 247,633.20 = 137,242.08 : x
  2. Step 2: Convert to fraction form
    179,543.52/247,633.20 = 137,242.08/x
  3. Step 3: Cross multiply
    179,543.52x = 247,633.20 × 137,242.08
  4. Step 4: Simplify right side
    179,543.52x = 33,985,695,445.06
  5. Step 5: Solve for x
    x = 33,985,695,445.06/179,543.52
  6. Step 6: Final answer
    x = 189,289.46

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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.