Home / 180,749.05-249,427.29-100,184.07

Finding the Fourth Proportional to 180,749.05, 249,427.29 and 100,184.07

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Solution

The fourth proportional to 180,749.05, 249,427.29 and 100,184.07 is: 138,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,749.05 : 249,427.29 = 100,184.07 : x
  2. Step 2: Convert to fraction form
    180,749.05/249,427.29 = 100,184.07/x
  3. Step 3: Cross multiply
    180,749.05x = 249,427.29 × 100,184.07
  4. Step 4: Simplify right side
    180,749.05x = 24,988,641,081.27
  5. Step 5: Solve for x
    x = 24,988,641,081.27/180,749.05
  6. Step 6: Final answer
    x = 138,250.47

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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.