Home / 180,736.55-249,416.43-100,176.18

Finding the Fourth Proportional to 180,736.55, 249,416.43 and 100,176.18

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Solution

The fourth proportional to 180,736.55, 249,416.43 and 100,176.18 is: 138,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,736.55 : 249,416.43 = 100,176.18 : x
  2. Step 2: Convert to fraction form
    180,736.55/249,416.43 = 100,176.18/x
  3. Step 3: Cross multiply
    180,736.55x = 249,416.43 × 100,176.18
  4. Step 4: Simplify right side
    180,736.55x = 24,985,585,186.64
  5. Step 5: Solve for x
    x = 24,985,585,186.64/180,736.55
  6. Step 6: Final answer
    x = 138,243.13

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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.