Home / 217,749.04-326,457.43-99,337.57

Finding the Fourth Proportional to 217,749.04, 326,457.43 and 99,337.57

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Solution

The fourth proportional to 217,749.04, 326,457.43 and 99,337.57 is: 148,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,749.04 : 326,457.43 = 99,337.57 : x
  2. Step 2: Convert to fraction form
    217,749.04/326,457.43 = 99,337.57/x
  3. Step 3: Cross multiply
    217,749.04x = 326,457.43 × 99,337.57
  4. Step 4: Simplify right side
    217,749.04x = 32,429,487,804.65
  5. Step 5: Solve for x
    x = 32,429,487,804.65/217,749.04
  6. Step 6: Final answer
    x = 148,930.57

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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.