Home / 180,918.77-249,504.50-112,942.05

Finding the Fourth Proportional to 180,918.77, 249,504.50 and 112,942.05

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Solution

The fourth proportional to 180,918.77, 249,504.50 and 112,942.05 is: 155,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,918.77 : 249,504.50 = 112,942.05 : x
  2. Step 2: Convert to fraction form
    180,918.77/249,504.50 = 112,942.05/x
  3. Step 3: Cross multiply
    180,918.77x = 249,504.50 × 112,942.05
  4. Step 4: Simplify right side
    180,918.77x = 28,179,549,060.94
  5. Step 5: Solve for x
    x = 28,179,549,060.94/180,918.77
  6. Step 6: Final answer
    x = 155,758.02

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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.