Home / 217,636.08-326,342.98-127,854.15

Finding the Fourth Proportional to 217,636.08, 326,342.98 and 127,854.15

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Solution

The fourth proportional to 217,636.08, 326,342.98 and 127,854.15 is: 191,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,636.08 : 326,342.98 = 127,854.15 : x
  2. Step 2: Convert to fraction form
    217,636.08/326,342.98 = 127,854.15/x
  3. Step 3: Cross multiply
    217,636.08x = 326,342.98 × 127,854.15
  4. Step 4: Simplify right side
    217,636.08x = 41,724,304,316.37
  5. Step 5: Solve for x
    x = 41,724,304,316.37/217,636.08
  6. Step 6: Final answer
    x = 191,715.93

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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.