Home / 217,066.80-326,099.40-153,172.08

Finding the Fourth Proportional to 217,066.80, 326,099.40 and 153,172.08

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Solution

The fourth proportional to 217,066.80, 326,099.40 and 153,172.08 is: 230,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,066.80 : 326,099.40 = 153,172.08 : x
  2. Step 2: Convert to fraction form
    217,066.80/326,099.40 = 153,172.08/x
  3. Step 3: Cross multiply
    217,066.80x = 326,099.40 × 153,172.08
  4. Step 4: Simplify right side
    217,066.80x = 49,949,323,384.75
  5. Step 5: Solve for x
    x = 49,949,323,384.75/217,066.80
  6. Step 6: Final answer
    x = 230,110.38

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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.