Home / 180,825.51-249,538.76-100,250.97

Finding the Fourth Proportional to 180,825.51, 249,538.76 and 100,250.97

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Solution

The fourth proportional to 180,825.51, 249,538.76 and 100,250.97 is: 138,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,825.51 : 249,538.76 = 100,250.97 : x
  2. Step 2: Convert to fraction form
    180,825.51/249,538.76 = 100,250.97/x
  3. Step 3: Cross multiply
    180,825.51x = 249,538.76 × 100,250.97
  4. Step 4: Simplify right side
    180,825.51x = 25,016,501,681.51
  5. Step 5: Solve for x
    x = 25,016,501,681.51/180,825.51
  6. Step 6: Final answer
    x = 138,346.08

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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.