Home / 195,428.39-269,322.59-156,622.13

Finding the Fourth Proportional to 195,428.39, 269,322.59 and 156,622.13

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Solution

The fourth proportional to 195,428.39, 269,322.59 and 156,622.13 is: 215,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,428.39 : 269,322.59 = 156,622.13 : x
  2. Step 2: Convert to fraction form
    195,428.39/269,322.59 = 156,622.13/x
  3. Step 3: Cross multiply
    195,428.39x = 269,322.59 × 156,622.13
  4. Step 4: Simplify right side
    195,428.39x = 42,181,877,421.17
  5. Step 5: Solve for x
    x = 42,181,877,421.17/195,428.39
  6. Step 6: Final answer
    x = 215,843.15

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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.