Home / 156,916.65-235,374.98-51,721.95

Finding the Fourth Proportional to 156,916.65, 235,374.98 and 51,721.95

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Solution

The fourth proportional to 156,916.65, 235,374.98 and 51,721.95 is: 77,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.65 : 235,374.98 = 51,721.95 : x
  2. Step 2: Convert to fraction form
    156,916.65/235,374.98 = 51,721.95/x
  3. Step 3: Cross multiply
    156,916.65x = 235,374.98 × 51,721.95
  4. Step 4: Simplify right side
    156,916.65x = 12,174,052,688.20
  5. Step 5: Solve for x
    x = 12,174,052,688.20/156,916.65
  6. Step 6: Final answer
    x = 77,582.93

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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.