Home / 199,031.34-274,641.51-118,447.68

Finding the Fourth Proportional to 199,031.34, 274,641.51 and 118,447.68

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Solution

The fourth proportional to 199,031.34, 274,641.51 and 118,447.68 is: 163,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,031.34 : 274,641.51 = 118,447.68 : x
  2. Step 2: Convert to fraction form
    199,031.34/274,641.51 = 118,447.68/x
  3. Step 3: Cross multiply
    199,031.34x = 274,641.51 × 118,447.68
  4. Step 4: Simplify right side
    199,031.34x = 32,530,649,691.20
  5. Step 5: Solve for x
    x = 32,530,649,691.20/199,031.34
  6. Step 6: Final answer
    x = 163,444.86

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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.