Home / 156,927.49-235,258.59-68,114.23

Finding the Fourth Proportional to 156,927.49, 235,258.59 and 68,114.23

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Solution

The fourth proportional to 156,927.49, 235,258.59 and 68,114.23 is: 102,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927.49 : 235,258.59 = 68,114.23 : x
  2. Step 2: Convert to fraction form
    156,927.49/235,258.59 = 68,114.23/x
  3. Step 3: Cross multiply
    156,927.49x = 235,258.59 × 68,114.23
  4. Step 4: Simplify right side
    156,927.49x = 16,024,457,708.74
  5. Step 5: Solve for x
    x = 16,024,457,708.74/156,927.49
  6. Step 6: Final answer
    x = 102,113.77

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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.