Home / 140,106.22-193,347.21-76,445.35

Finding the Fourth Proportional to 140,106.22, 193,347.21 and 76,445.35

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Solution

The fourth proportional to 140,106.22, 193,347.21 and 76,445.35 is: 105,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,106.22 : 193,347.21 = 76,445.35 : x
  2. Step 2: Convert to fraction form
    140,106.22/193,347.21 = 76,445.35/x
  3. Step 3: Cross multiply
    140,106.22x = 193,347.21 × 76,445.35
  4. Step 4: Simplify right side
    140,106.22x = 14,780,495,139.97
  5. Step 5: Solve for x
    x = 14,780,495,139.97/140,106.22
  6. Step 6: Final answer
    x = 105,494.92

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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.