Home / 152,890.48-229,327.60-47,697.40

Finding the Fourth Proportional to 152,890.48, 229,327.60 and 47,697.40

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Solution

The fourth proportional to 152,890.48, 229,327.60 and 47,697.40 is: 71,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,890.48 : 229,327.60 = 47,697.40 : x
  2. Step 2: Convert to fraction form
    152,890.48/229,327.60 = 47,697.40/x
  3. Step 3: Cross multiply
    152,890.48x = 229,327.60 × 47,697.40
  4. Step 4: Simplify right side
    152,890.48x = 10,938,330,268.24
  5. Step 5: Solve for x
    x = 10,938,330,268.24/152,890.48
  6. Step 6: Final answer
    x = 71,543.57

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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.