Home / 162,787.65-224,636.26-91,151.25

Finding the Fourth Proportional to 162,787.65, 224,636.26 and 91,151.25

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Solution

The fourth proportional to 162,787.65, 224,636.26 and 91,151.25 is: 125,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,787.65 : 224,636.26 = 91,151.25 : x
  2. Step 2: Convert to fraction form
    162,787.65/224,636.26 = 91,151.25/x
  3. Step 3: Cross multiply
    162,787.65x = 224,636.26 × 91,151.25
  4. Step 4: Simplify right side
    162,787.65x = 20,475,875,894.33
  5. Step 5: Solve for x
    x = 20,475,875,894.33/162,787.65
  6. Step 6: Final answer
    x = 125,782.74

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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.