Home / 180,151.23-248,633.40-103,668.76

Finding the Fourth Proportional to 180,151.23, 248,633.40 and 103,668.76

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Solution

The fourth proportional to 180,151.23, 248,633.40 and 103,668.76 is: 143,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,151.23 : 248,633.40 = 103,668.76 : x
  2. Step 2: Convert to fraction form
    180,151.23/248,633.40 = 103,668.76/x
  3. Step 3: Cross multiply
    180,151.23x = 248,633.40 × 103,668.76
  4. Step 4: Simplify right side
    180,151.23x = 25,775,516,272.58
  5. Step 5: Solve for x
    x = 25,775,516,272.58/180,151.23
  6. Step 6: Final answer
    x = 143,077.10

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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.