Home / 180,869.09-249,594.62-100,296.36

Finding the Fourth Proportional to 180,869.09, 249,594.62 and 100,296.36

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Solution

The fourth proportional to 180,869.09, 249,594.62 and 100,296.36 is: 138,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,869.09 : 249,594.62 = 100,296.36 : x
  2. Step 2: Convert to fraction form
    180,869.09/249,594.62 = 100,296.36/x
  3. Step 3: Cross multiply
    180,869.09x = 249,594.62 × 100,296.36
  4. Step 4: Simplify right side
    180,869.09x = 25,033,431,360.10
  5. Step 5: Solve for x
    x = 25,033,431,360.10/180,869.09
  6. Step 6: Final answer
    x = 138,406.36

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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.