Home / 156,746.27-216,376.08-105,827.98

Finding the Fourth Proportional to 156,746.27, 216,376.08 and 105,827.98

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Solution

The fourth proportional to 156,746.27, 216,376.08 and 105,827.98 is: 146,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.27 : 216,376.08 = 105,827.98 : x
  2. Step 2: Convert to fraction form
    156,746.27/216,376.08 = 105,827.98/x
  3. Step 3: Cross multiply
    156,746.27x = 216,376.08 × 105,827.98
  4. Step 4: Simplify right side
    156,746.27x = 22,898,643,466.72
  5. Step 5: Solve for x
    x = 22,898,643,466.72/156,746.27
  6. Step 6: Final answer
    x = 146,087.33

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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.