Home / 180,752.19-249,431.18-100,177.71

Finding the Fourth Proportional to 180,752.19, 249,431.18 and 100,177.71

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Solution

The fourth proportional to 180,752.19, 249,431.18 and 100,177.71 is: 138,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,752.19 : 249,431.18 = 100,177.71 : x
  2. Step 2: Convert to fraction form
    180,752.19/249,431.18 = 100,177.71/x
  3. Step 3: Cross multiply
    180,752.19x = 249,431.18 × 100,177.71
  4. Step 4: Simplify right side
    180,752.19x = 24,987,443,914.11
  5. Step 5: Solve for x
    x = 24,987,443,914.11/180,752.19
  6. Step 6: Final answer
    x = 138,241.44

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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.