Home / 156,999.02-216,664.35-89,943.98

Finding the Fourth Proportional to 156,999.02, 216,664.35 and 89,943.98

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Solution

The fourth proportional to 156,999.02, 216,664.35 and 89,943.98 is: 124,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,999.02 : 216,664.35 = 89,943.98 : x
  2. Step 2: Convert to fraction form
    156,999.02/216,664.35 = 89,943.98/x
  3. Step 3: Cross multiply
    156,999.02x = 216,664.35 × 89,943.98
  4. Step 4: Simplify right side
    156,999.02x = 19,487,653,963.11
  5. Step 5: Solve for x
    x = 19,487,653,963.11/156,999.02
  6. Step 6: Final answer
    x = 124,125.96

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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.