Home / 139,945.68-193,152-97,041.60

Finding the Fourth Proportional to 139,945.68, 193,152 and 97,041.60

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Solution

The fourth proportional to 139,945.68, 193,152 and 97,041.60 is: 133,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,945.68 : 193,152 = 97,041.60 : x
  2. Step 2: Convert to fraction form
    139,945.68/193,152 = 97,041.60/x
  3. Step 3: Cross multiply
    139,945.68x = 193,152 × 97,041.60
  4. Step 4: Simplify right side
    139,945.68x = 18,743,779,123.20
  5. Step 5: Solve for x
    x = 18,743,779,123.20/139,945.68
  6. Step 6: Final answer
    x = 133,936.10

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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.