Home / 238,095.57-328,570.89-130,667.37

Finding the Fourth Proportional to 238,095.57, 328,570.89 and 130,667.37

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Solution

The fourth proportional to 238,095.57, 328,570.89 and 130,667.37 is: 180,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,095.57 : 328,570.89 = 130,667.37 : x
  2. Step 2: Convert to fraction form
    238,095.57/328,570.89 = 130,667.37/x
  3. Step 3: Cross multiply
    238,095.57x = 328,570.89 × 130,667.37
  4. Step 4: Simplify right side
    238,095.57x = 42,933,494,054.86
  5. Step 5: Solve for x
    x = 42,933,494,054.86/238,095.57
  6. Step 6: Final answer
    x = 180,320.42

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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.