Home / 178,400.40-246,203.94-117,864.86

Finding the Fourth Proportional to 178,400.40, 246,203.94 and 117,864.86

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Solution

The fourth proportional to 178,400.40, 246,203.94 and 117,864.86 is: 162,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,400.40 : 246,203.94 = 117,864.86 : x
  2. Step 2: Convert to fraction form
    178,400.40/246,203.94 = 117,864.86/x
  3. Step 3: Cross multiply
    178,400.40x = 246,203.94 × 117,864.86
  4. Step 4: Simplify right side
    178,400.40x = 29,018,791,688.53
  5. Step 5: Solve for x
    x = 29,018,791,688.53/178,400.40
  6. Step 6: Final answer
    x = 162,661.02

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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.