Home / 180,835.21-249,540.37-104,357.49

Finding the Fourth Proportional to 180,835.21, 249,540.37 and 104,357.49

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Solution

The fourth proportional to 180,835.21, 249,540.37 and 104,357.49 is: 144,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,835.21 : 249,540.37 = 104,357.49 : x
  2. Step 2: Convert to fraction form
    180,835.21/249,540.37 = 104,357.49/x
  3. Step 3: Cross multiply
    180,835.21x = 249,540.37 × 104,357.49
  4. Step 4: Simplify right side
    180,835.21x = 26,041,406,666.87
  5. Step 5: Solve for x
    x = 26,041,406,666.87/180,835.21
  6. Step 6: Final answer
    x = 144,006.28

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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.