Home / 178,868.16-246,753-128,596.32

Finding the Fourth Proportional to 178,868.16, 246,753 and 128,596.32

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Solution

The fourth proportional to 178,868.16, 246,753 and 128,596.32 is: 177,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,868.16 : 246,753 = 128,596.32 : x
  2. Step 2: Convert to fraction form
    178,868.16/246,753 = 128,596.32/x
  3. Step 3: Cross multiply
    178,868.16x = 246,753 × 128,596.32
  4. Step 4: Simplify right side
    178,868.16x = 31,731,527,748.96
  5. Step 5: Solve for x
    x = 31,731,527,748.96/178,868.16
  6. Step 6: Final answer
    x = 177,401.77

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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.