Home / 180,620.15-249,244.83-100,042.97

Finding the Fourth Proportional to 180,620.15, 249,244.83 and 100,042.97

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Solution

The fourth proportional to 180,620.15, 249,244.83 and 100,042.97 is: 138,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,620.15 : 249,244.83 = 100,042.97 : x
  2. Step 2: Convert to fraction form
    180,620.15/249,244.83 = 100,042.97/x
  3. Step 3: Cross multiply
    180,620.15x = 249,244.83 × 100,042.97
  4. Step 4: Simplify right side
    180,620.15x = 24,935,191,804.12
  5. Step 5: Solve for x
    x = 24,935,191,804.12/180,620.15
  6. Step 6: Final answer
    x = 138,053.22

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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.