Home / 180,383.08-249,005.33-112,433.90

Finding the Fourth Proportional to 180,383.08, 249,005.33 and 112,433.90

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Solution

The fourth proportional to 180,383.08, 249,005.33 and 112,433.90 is: 155,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,383.08 : 249,005.33 = 112,433.90 : x
  2. Step 2: Convert to fraction form
    180,383.08/249,005.33 = 112,433.90/x
  3. Step 3: Cross multiply
    180,383.08x = 249,005.33 × 112,433.90
  4. Step 4: Simplify right side
    180,383.08x = 27,996,640,372.69
  5. Step 5: Solve for x
    x = 27,996,640,372.69/180,383.08
  6. Step 6: Final answer
    x = 155,206.58

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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.