Home / 217,047.88-326,070.86-153,153.12

Finding the Fourth Proportional to 217,047.88, 326,070.86 and 153,153.12

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Solution

The fourth proportional to 217,047.88, 326,070.86 and 153,153.12 is: 230,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,047.88 : 326,070.86 = 153,153.12 : x
  2. Step 2: Convert to fraction form
    217,047.88/326,070.86 = 153,153.12/x
  3. Step 3: Cross multiply
    217,047.88x = 326,070.86 × 153,153.12
  4. Step 4: Simplify right side
    217,047.88x = 49,938,769,550.08
  5. Step 5: Solve for x
    x = 49,938,769,550.08/217,047.88
  6. Step 6: Final answer
    x = 230,081.81

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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.