Home / 156,929.49-235,261.59-68,116.23

Finding the Fourth Proportional to 156,929.49, 235,261.59 and 68,116.23

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Solution

The fourth proportional to 156,929.49, 235,261.59 and 68,116.23 is: 102,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,929.49 : 235,261.59 = 68,116.23 : x
  2. Step 2: Convert to fraction form
    156,929.49/235,261.59 = 68,116.23/x
  3. Step 3: Cross multiply
    156,929.49x = 235,261.59 × 68,116.23
  4. Step 4: Simplify right side
    156,929.49x = 16,025,132,574.61
  5. Step 5: Solve for x
    x = 16,025,132,574.61/156,929.49
  6. Step 6: Final answer
    x = 102,116.77

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1.5x scale

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.