Home / 158,688.32-218,790.60-116,173.04

Finding the Fourth Proportional to 158,688.32, 218,790.60 and 116,173.04

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Solution

The fourth proportional to 158,688.32, 218,790.60 and 116,173.04 is: 160,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,688.32 : 218,790.60 = 116,173.04 : x
  2. Step 2: Convert to fraction form
    158,688.32/218,790.60 = 116,173.04/x
  3. Step 3: Cross multiply
    158,688.32x = 218,790.60 × 116,173.04
  4. Step 4: Simplify right side
    158,688.32x = 25,417,569,125.42
  5. Step 5: Solve for x
    x = 25,417,569,125.42/158,688.32
  6. Step 6: Final answer
    x = 160,172.90

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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.