Home / 180,800.10-249,518.88-100,252.92

Finding the Fourth Proportional to 180,800.10, 249,518.88 and 100,252.92

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Solution

The fourth proportional to 180,800.10, 249,518.88 and 100,252.92 is: 138,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,800.10 : 249,518.88 = 100,252.92 : x
  2. Step 2: Convert to fraction form
    180,800.10/249,518.88 = 100,252.92/x
  3. Step 3: Cross multiply
    180,800.10x = 249,518.88 × 100,252.92
  4. Step 4: Simplify right side
    180,800.10x = 25,014,996,315.13
  5. Step 5: Solve for x
    x = 25,014,996,315.13/180,800.10
  6. Step 6: Final answer
    x = 138,357.20

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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.