Home / 202,196.79-303,334.05-77,528.07

Finding the Fourth Proportional to 202,196.79, 303,334.05 and 77,528.07

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Solution

The fourth proportional to 202,196.79, 303,334.05 and 77,528.07 is: 116,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,196.79 : 303,334.05 = 77,528.07 : x
  2. Step 2: Convert to fraction form
    202,196.79/303,334.05 = 77,528.07/x
  3. Step 3: Cross multiply
    202,196.79x = 303,334.05 × 77,528.07
  4. Step 4: Simplify right side
    202,196.79x = 23,516,903,461.78
  5. Step 5: Solve for x
    x = 23,516,903,461.78/202,196.79
  6. Step 6: Final answer
    x = 116,307.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.