Home / 180,505.38-249,094.44-99,931.17

Finding the Fourth Proportional to 180,505.38, 249,094.44 and 99,931.17

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Solution

The fourth proportional to 180,505.38, 249,094.44 and 99,931.17 is: 137,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,505.38 : 249,094.44 = 99,931.17 : x
  2. Step 2: Convert to fraction form
    180,505.38/249,094.44 = 99,931.17/x
  3. Step 3: Cross multiply
    180,505.38x = 249,094.44 × 99,931.17
  4. Step 4: Simplify right side
    180,505.38x = 24,892,298,829.69
  5. Step 5: Solve for x
    x = 24,892,298,829.69/180,505.38
  6. Step 6: Final answer
    x = 137,903.36

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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.