Home / 180,631.76-249,271.87-98,960.38

Finding the Fourth Proportional to 180,631.76, 249,271.87 and 98,960.38

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Solution

The fourth proportional to 180,631.76, 249,271.87 and 98,960.38 is: 136,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,631.76 : 249,271.87 = 98,960.38 : x
  2. Step 2: Convert to fraction form
    180,631.76/249,271.87 = 98,960.38/x
  3. Step 3: Cross multiply
    180,631.76x = 249,271.87 × 98,960.38
  4. Step 4: Simplify right side
    180,631.76x = 24,668,039,556.47
  5. Step 5: Solve for x
    x = 24,668,039,556.47/180,631.76
  6. Step 6: Final answer
    x = 136,565.35

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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.