Home / 180,619.16-249,262.65-100,046.67

Finding the Fourth Proportional to 180,619.16, 249,262.65 and 100,046.67

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Solution

The fourth proportional to 180,619.16, 249,262.65 and 100,046.67 is: 138,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,619.16 : 249,262.65 = 100,046.67 : x
  2. Step 2: Convert to fraction form
    180,619.16/249,262.65 = 100,046.67/x
  3. Step 3: Cross multiply
    180,619.16x = 249,262.65 × 100,046.67
  4. Step 4: Simplify right side
    180,619.16x = 24,937,898,974.91
  5. Step 5: Solve for x
    x = 24,937,898,974.91/180,619.16
  6. Step 6: Final answer
    x = 138,068.96

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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.