Home / 180,815.70-249,533.88-103,298.18

Finding the Fourth Proportional to 180,815.70, 249,533.88 and 103,298.18

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Solution

The fourth proportional to 180,815.70, 249,533.88 and 103,298.18 is: 142,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,815.70 : 249,533.88 = 103,298.18 : x
  2. Step 2: Convert to fraction form
    180,815.70/249,533.88 = 103,298.18/x
  3. Step 3: Cross multiply
    180,815.70x = 249,533.88 × 103,298.18
  4. Step 4: Simplify right side
    180,815.70x = 25,776,395,652.34
  5. Step 5: Solve for x
    x = 25,776,395,652.34/180,815.70
  6. Step 6: Final answer
    x = 142,556.18

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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.