Home / 180,535.32-249,142.64-98,867.03

Finding the Fourth Proportional to 180,535.32, 249,142.64 and 98,867.03

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Solution

The fourth proportional to 180,535.32, 249,142.64 and 98,867.03 is: 136,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,535.32 : 249,142.64 = 98,867.03 : x
  2. Step 2: Convert to fraction form
    180,535.32/249,142.64 = 98,867.03/x
  3. Step 3: Cross multiply
    180,535.32x = 249,142.64 × 98,867.03
  4. Step 4: Simplify right side
    180,535.32x = 24,631,991,123.11
  5. Step 5: Solve for x
    x = 24,631,991,123.11/180,535.32
  6. Step 6: Final answer
    x = 136,438.63

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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.