Home / 162,905.92-224,787.36-91,280.32

Finding the Fourth Proportional to 162,905.92, 224,787.36 and 91,280.32

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Solution

The fourth proportional to 162,905.92, 224,787.36 and 91,280.32 is: 125,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,905.92 : 224,787.36 = 91,280.32 : x
  2. Step 2: Convert to fraction form
    162,905.92/224,787.36 = 91,280.32/x
  3. Step 3: Cross multiply
    162,905.92x = 224,787.36 × 91,280.32
  4. Step 4: Simplify right side
    162,905.92x = 20,518,662,152.76
  5. Step 5: Solve for x
    x = 20,518,662,152.76/162,905.92
  6. Step 6: Final answer
    x = 125,954.06

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1.5x scale

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.