Home / 140,441.46-193,809.90-76,779.26

Finding the Fourth Proportional to 140,441.46, 193,809.90 and 76,779.26

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Solution

The fourth proportional to 140,441.46, 193,809.90 and 76,779.26 is: 105,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441.46 : 193,809.90 = 76,779.26 : x
  2. Step 2: Convert to fraction form
    140,441.46/193,809.90 = 76,779.26/x
  3. Step 3: Cross multiply
    140,441.46x = 193,809.90 × 76,779.26
  4. Step 4: Simplify right side
    140,441.46x = 14,880,580,702.67
  5. Step 5: Solve for x
    x = 14,880,580,702.67/140,441.46
  6. Step 6: Final answer
    x = 105,955.75

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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.