Home / 557,136-836,036.08-202,177.72

Finding the Fourth Proportional to 557,136, 836,036.08 and 202,177.72

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Solution

The fourth proportional to 557,136, 836,036.08 and 202,177.72 is: 303,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,136 : 836,036.08 = 202,177.72 : x
  2. Step 2: Convert to fraction form
    557,136/836,036.08 = 202,177.72/x
  3. Step 3: Cross multiply
    557,136x = 836,036.08 × 202,177.72
  4. Step 4: Simplify right side
    557,136x = 169,027,868,492.14
  5. Step 5: Solve for x
    x = 169,027,868,492.14/557,136
  6. Step 6: Final answer
    x = 303,387.09

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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.