Home / 74,188.81-111,394.40-64,224.29

Finding the Fourth Proportional to 74,188.81, 111,394.40 and 64,224.29

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Solution

The fourth proportional to 74,188.81, 111,394.40 and 64,224.29 is: 96,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,188.81 : 111,394.40 = 64,224.29 : x
  2. Step 2: Convert to fraction form
    74,188.81/111,394.40 = 64,224.29/x
  3. Step 3: Cross multiply
    74,188.81x = 111,394.40 × 64,224.29
  4. Step 4: Simplify right side
    74,188.81x = 7,154,226,207.34
  5. Step 5: Solve for x
    x = 7,154,226,207.34/74,188.81
  6. Step 6: Final answer
    x = 96,432.68

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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.