Home / 162,811.04-224,680.88-90,216.16

Finding the Fourth Proportional to 162,811.04, 224,680.88 and 90,216.16

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Solution

The fourth proportional to 162,811.04, 224,680.88 and 90,216.16 is: 124,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,811.04 : 224,680.88 = 90,216.16 : x
  2. Step 2: Convert to fraction form
    162,811.04/224,680.88 = 90,216.16/x
  3. Step 3: Cross multiply
    162,811.04x = 224,680.88 × 90,216.16
  4. Step 4: Simplify right side
    162,811.04x = 20,269,846,219.02
  5. Step 5: Solve for x
    x = 20,269,846,219.02/162,811.04
  6. Step 6: Final answer
    x = 124,499.21

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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.