Home / 216,637.40-324,876.48-74,442.35

Finding the Fourth Proportional to 216,637.40, 324,876.48 and 74,442.35

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Solution

The fourth proportional to 216,637.40, 324,876.48 and 74,442.35 is: 111,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,637.40 : 324,876.48 = 74,442.35 : x
  2. Step 2: Convert to fraction form
    216,637.40/324,876.48 = 74,442.35/x
  3. Step 3: Cross multiply
    216,637.40x = 324,876.48 × 74,442.35
  4. Step 4: Simplify right side
    216,637.40x = 24,184,567,006.55
  5. Step 5: Solve for x
    x = 24,184,567,006.55/216,637.40
  6. Step 6: Final answer
    x = 111,636.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.