Home / 163,779.18-226,019.67-92,161.74

Finding the Fourth Proportional to 163,779.18, 226,019.67 and 92,161.74

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Solution

The fourth proportional to 163,779.18, 226,019.67 and 92,161.74 is: 127,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,779.18 : 226,019.67 = 92,161.74 : x
  2. Step 2: Convert to fraction form
    163,779.18/226,019.67 = 92,161.74/x
  3. Step 3: Cross multiply
    163,779.18x = 226,019.67 × 92,161.74
  4. Step 4: Simplify right side
    163,779.18x = 20,830,366,061.43
  5. Step 5: Solve for x
    x = 20,830,366,061.43/163,779.18
  6. Step 6: Final answer
    x = 127,185.68

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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.