Home / 180,918.10-249,629.70-104,435.98

Finding the Fourth Proportional to 180,918.10, 249,629.70 and 104,435.98

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Solution

The fourth proportional to 180,918.10, 249,629.70 and 104,435.98 is: 144,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,918.10 : 249,629.70 = 104,435.98 : x
  2. Step 2: Convert to fraction form
    180,918.10/249,629.70 = 104,435.98/x
  3. Step 3: Cross multiply
    180,918.10x = 249,629.70 × 104,435.98
  4. Step 4: Simplify right side
    180,918.10x = 26,070,322,356.61
  5. Step 5: Solve for x
    x = 26,070,322,356.61/180,918.10
  6. Step 6: Final answer
    x = 144,100.13

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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.