Home / 348,056.64-480,301.92-197,154.72

Finding the Fourth Proportional to 348,056.64, 480,301.92 and 197,154.72

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Solution

The fourth proportional to 348,056.64, 480,301.92 and 197,154.72 is: 272,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,056.64 : 480,301.92 = 197,154.72 : x
  2. Step 2: Convert to fraction form
    348,056.64/480,301.92 = 197,154.72/x
  3. Step 3: Cross multiply
    348,056.64x = 480,301.92 × 197,154.72
  4. Step 4: Simplify right side
    348,056.64x = 94,693,790,553.06
  5. Step 5: Solve for x
    x = 94,693,790,553.06/348,056.64
  6. Step 6: Final answer
    x = 272,064.31

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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.