Home / 125,779.26-188,502.21-92,343.06

Finding the Fourth Proportional to 125,779.26, 188,502.21 and 92,343.06

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Solution

The fourth proportional to 125,779.26, 188,502.21 and 92,343.06 is: 138,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,779.26 : 188,502.21 = 92,343.06 : x
  2. Step 2: Convert to fraction form
    125,779.26/188,502.21 = 92,343.06/x
  3. Step 3: Cross multiply
    125,779.26x = 188,502.21 × 92,343.06
  4. Step 4: Simplify right side
    125,779.26x = 17,406,870,888.16
  5. Step 5: Solve for x
    x = 17,406,870,888.16/125,779.26
  6. Step 6: Final answer
    x = 138,392.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.