Home / 238,110.04-328,590.90-130,681.84

Finding the Fourth Proportional to 238,110.04, 328,590.90 and 130,681.84

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Solution

The fourth proportional to 238,110.04, 328,590.90 and 130,681.84 is: 180,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,110.04 : 328,590.90 = 130,681.84 : x
  2. Step 2: Convert to fraction form
    238,110.04/328,590.90 = 130,681.84/x
  3. Step 3: Cross multiply
    238,110.04x = 328,590.90 × 130,681.84
  4. Step 4: Simplify right side
    238,110.04x = 42,940,863,419.26
  5. Step 5: Solve for x
    x = 42,940,863,419.26/238,110.04
  6. Step 6: Final answer
    x = 180,340.41

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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.