Home / 156,923.70-216,572.86-93,260.94

Finding the Fourth Proportional to 156,923.70, 216,572.86 and 93,260.94

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Solution

The fourth proportional to 156,923.70, 216,572.86 and 93,260.94 is: 128,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.70 : 216,572.86 = 93,260.94 : x
  2. Step 2: Convert to fraction form
    156,923.70/216,572.86 = 93,260.94/x
  3. Step 3: Cross multiply
    156,923.70x = 216,572.86 × 93,260.94
  4. Step 4: Simplify right side
    156,923.70x = 20,197,788,502.09
  5. Step 5: Solve for x
    x = 20,197,788,502.09/156,923.70
  6. Step 6: Final answer
    x = 128,710.89

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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.