Home / 162,313.61-223,988.46-90,694.22

Finding the Fourth Proportional to 162,313.61, 223,988.46 and 90,694.22

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Solution

The fourth proportional to 162,313.61, 223,988.46 and 90,694.22 is: 125,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,313.61 : 223,988.46 = 90,694.22 : x
  2. Step 2: Convert to fraction form
    162,313.61/223,988.46 = 90,694.22/x
  3. Step 3: Cross multiply
    162,313.61x = 223,988.46 × 90,694.22
  4. Step 4: Simplify right side
    162,313.61x = 20,314,457,548.76
  5. Step 5: Solve for x
    x = 20,314,457,548.76/162,313.61
  6. Step 6: Final answer
    x = 125,155.61

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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.