Home / 188,434.16-260,017.32-107,856.88

Finding the Fourth Proportional to 188,434.16, 260,017.32 and 107,856.88

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Solution

The fourth proportional to 188,434.16, 260,017.32 and 107,856.88 is: 148,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,434.16 : 260,017.32 = 107,856.88 : x
  2. Step 2: Convert to fraction form
    188,434.16/260,017.32 = 107,856.88/x
  3. Step 3: Cross multiply
    188,434.16x = 260,017.32 × 107,856.88
  4. Step 4: Simplify right side
    188,434.16x = 28,044,656,635.58
  5. Step 5: Solve for x
    x = 28,044,656,635.58/188,434.16
  6. Step 6: Final answer
    x = 148,830.00

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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.