Home / 203,013.74-280,094.56-118,114.40

Finding the Fourth Proportional to 203,013.74, 280,094.56 and 118,114.40

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Solution

The fourth proportional to 203,013.74, 280,094.56 and 118,114.40 is: 162,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,013.74 : 280,094.56 = 118,114.40 : x
  2. Step 2: Convert to fraction form
    203,013.74/280,094.56 = 118,114.40/x
  3. Step 3: Cross multiply
    203,013.74x = 280,094.56 × 118,114.40
  4. Step 4: Simplify right side
    203,013.74x = 33,083,201,302.61
  5. Step 5: Solve for x
    x = 33,083,201,302.61/203,013.74
  6. Step 6: Final answer
    x = 162,960.40

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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.