Home / 145,516.14-217,957.86-89,186.22

Finding the Fourth Proportional to 145,516.14, 217,957.86 and 89,186.22

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Solution

The fourth proportional to 145,516.14, 217,957.86 and 89,186.22 is: 133,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,516.14 : 217,957.86 = 89,186.22 : x
  2. Step 2: Convert to fraction form
    145,516.14/217,957.86 = 89,186.22/x
  3. Step 3: Cross multiply
    145,516.14x = 217,957.86 × 89,186.22
  4. Step 4: Simplify right side
    145,516.14x = 19,438,837,652.69
  5. Step 5: Solve for x
    x = 19,438,837,652.69/145,516.14
  6. Step 6: Final answer
    x = 133,585.44

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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.