Home / 136,189.02-204,283.53-42,702.30

Finding the Fourth Proportional to 136,189.02, 204,283.53 and 42,702.30

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Solution

The fourth proportional to 136,189.02, 204,283.53 and 42,702.30 is: 64,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,189.02 : 204,283.53 = 42,702.30 : x
  2. Step 2: Convert to fraction form
    136,189.02/204,283.53 = 42,702.30/x
  3. Step 3: Cross multiply
    136,189.02x = 204,283.53 × 42,702.30
  4. Step 4: Simplify right side
    136,189.02x = 8,723,376,583.12
  5. Step 5: Solve for x
    x = 8,723,376,583.12/136,189.02
  6. Step 6: Final answer
    x = 64,053.45

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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.