Home / 230,812.05-318,464.53-135,300.29

Finding the Fourth Proportional to 230,812.05, 318,464.53 and 135,300.29

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Solution

The fourth proportional to 230,812.05, 318,464.53 and 135,300.29 is: 186,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,812.05 : 318,464.53 = 135,300.29 : x
  2. Step 2: Convert to fraction form
    230,812.05/318,464.53 = 135,300.29/x
  3. Step 3: Cross multiply
    230,812.05x = 318,464.53 × 135,300.29
  4. Step 4: Simplify right side
    230,812.05x = 43,088,344,509.76
  5. Step 5: Solve for x
    x = 43,088,344,509.76/230,812.05
  6. Step 6: Final answer
    x = 186,681.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.