Home / 162,507.89-224,282.03-90,902.76

Finding the Fourth Proportional to 162,507.89, 224,282.03 and 90,902.76

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Solution

The fourth proportional to 162,507.89, 224,282.03 and 90,902.76 is: 125,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,507.89 : 224,282.03 = 90,902.76 : x
  2. Step 2: Convert to fraction form
    162,507.89/224,282.03 = 90,902.76/x
  3. Step 3: Cross multiply
    162,507.89x = 224,282.03 × 90,902.76
  4. Step 4: Simplify right side
    162,507.89x = 20,387,855,090.89
  5. Step 5: Solve for x
    x = 20,387,855,090.89/162,507.89
  6. Step 6: Final answer
    x = 125,457.64

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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.