Home / 162,220.98-223,858.18-93,305.21

Finding the Fourth Proportional to 162,220.98, 223,858.18 and 93,305.21

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Solution

The fourth proportional to 162,220.98, 223,858.18 and 93,305.21 is: 128,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,220.98 : 223,858.18 = 93,305.21 : x
  2. Step 2: Convert to fraction form
    162,220.98/223,858.18 = 93,305.21/x
  3. Step 3: Cross multiply
    162,220.98x = 223,858.18 × 93,305.21
  4. Step 4: Simplify right side
    162,220.98x = 20,887,133,492.46
  5. Step 5: Solve for x
    x = 20,887,133,492.46/162,220.98
  6. Step 6: Final answer
    x = 128,757.29

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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.