Home / 156,931.35-235,378.80-44,628.90

Finding the Fourth Proportional to 156,931.35, 235,378.80 and 44,628.90

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Solution

The fourth proportional to 156,931.35, 235,378.80 and 44,628.90 is: 66,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.35 : 235,378.80 = 44,628.90 : x
  2. Step 2: Convert to fraction form
    156,931.35/235,378.80 = 44,628.90/x
  3. Step 3: Cross multiply
    156,931.35x = 235,378.80 × 44,628.90
  4. Step 4: Simplify right side
    156,931.35x = 10,504,696,927.32
  5. Step 5: Solve for x
    x = 10,504,696,927.32/156,931.35
  6. Step 6: Final answer
    x = 66,938.17

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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.