Home / 180,613.91-249,367.74-112,658.15

Finding the Fourth Proportional to 180,613.91, 249,367.74 and 112,658.15

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Solution

The fourth proportional to 180,613.91, 249,367.74 and 112,658.15 is: 155,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,613.91 : 249,367.74 = 112,658.15 : x
  2. Step 2: Convert to fraction form
    180,613.91/249,367.74 = 112,658.15/x
  3. Step 3: Cross multiply
    180,613.91x = 249,367.74 × 112,658.15
  4. Step 4: Simplify right side
    180,613.91x = 28,093,308,258.08
  5. Step 5: Solve for x
    x = 28,093,308,258.08/180,613.91
  6. Step 6: Final answer
    x = 155,543.44

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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.