Home / 178,847.70-246,640.65-117,485.55

Finding the Fourth Proportional to 178,847.70, 246,640.65 and 117,485.55

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Solution

The fourth proportional to 178,847.70, 246,640.65 and 117,485.55 is: 162,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,847.70 : 246,640.65 = 117,485.55 : x
  2. Step 2: Convert to fraction form
    178,847.70/246,640.65 = 117,485.55/x
  3. Step 3: Cross multiply
    178,847.70x = 246,640.65 × 117,485.55
  4. Step 4: Simplify right side
    178,847.70x = 28,976,712,417.61
  5. Step 5: Solve for x
    x = 28,976,712,417.61/178,847.70
  6. Step 6: Final answer
    x = 162,018.93

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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.