Home / 161,897.92-223,420.40-90,282.58

Finding the Fourth Proportional to 161,897.92, 223,420.40 and 90,282.58

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Solution

The fourth proportional to 161,897.92, 223,420.40 and 90,282.58 is: 124,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,897.92 : 223,420.40 = 90,282.58 : x
  2. Step 2: Convert to fraction form
    161,897.92/223,420.40 = 90,282.58/x
  3. Step 3: Cross multiply
    161,897.92x = 223,420.40 × 90,282.58
  4. Step 4: Simplify right side
    161,897.92x = 20,170,970,136.63
  5. Step 5: Solve for x
    x = 20,170,970,136.63/161,897.92
  6. Step 6: Final answer
    x = 124,590.67

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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.