Home / 257,848.18-386,851.46-123,084.22

Finding the Fourth Proportional to 257,848.18, 386,851.46 and 123,084.22

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Solution

The fourth proportional to 257,848.18, 386,851.46 and 123,084.22 is: 184,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,848.18 : 386,851.46 = 123,084.22 : x
  2. Step 2: Convert to fraction form
    257,848.18/386,851.46 = 123,084.22/x
  3. Step 3: Cross multiply
    257,848.18x = 386,851.46 × 123,084.22
  4. Step 4: Simplify right side
    257,848.18x = 47,615,310,045.11
  5. Step 5: Solve for x
    x = 47,615,310,045.11/257,848.18
  6. Step 6: Final answer
    x = 184,664.13

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1.5x scale

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.