Home / 156,746.61-216,376.47-105,828.27

Finding the Fourth Proportional to 156,746.61, 216,376.47 and 105,828.27

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Solution

The fourth proportional to 156,746.61, 216,376.47 and 105,828.27 is: 146,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.61 : 216,376.47 = 105,828.27 : x
  2. Step 2: Convert to fraction form
    156,746.61/216,376.47 = 105,828.27/x
  3. Step 3: Cross multiply
    156,746.61x = 216,376.47 × 105,828.27
  4. Step 4: Simplify right side
    156,746.61x = 22,898,747,488.81
  5. Step 5: Solve for x
    x = 22,898,747,488.81/156,746.61
  6. Step 6: Final answer
    x = 146,087.67

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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.