Home / 238,100.13-328,582.24-130,680.16

Finding the Fourth Proportional to 238,100.13, 328,582.24 and 130,680.16

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Solution

The fourth proportional to 238,100.13, 328,582.24 and 130,680.16 is: 180,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,100.13 : 328,582.24 = 130,680.16 : x
  2. Step 2: Convert to fraction form
    238,100.13/328,582.24 = 130,680.16/x
  3. Step 3: Cross multiply
    238,100.13x = 328,582.24 × 130,680.16
  4. Step 4: Simplify right side
    238,100.13x = 42,939,178,548.20
  5. Step 5: Solve for x
    x = 42,939,178,548.20/238,100.13
  6. Step 6: Final answer
    x = 180,340.84

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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.