Home / 151,326.64-208,832.22-83,345.17

Finding the Fourth Proportional to 151,326.64, 208,832.22 and 83,345.17

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Solution

The fourth proportional to 151,326.64, 208,832.22 and 83,345.17 is: 115,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,326.64 : 208,832.22 = 83,345.17 : x
  2. Step 2: Convert to fraction form
    151,326.64/208,832.22 = 83,345.17/x
  3. Step 3: Cross multiply
    151,326.64x = 208,832.22 × 83,345.17
  4. Step 4: Simplify right side
    151,326.64x = 17,405,156,877.38
  5. Step 5: Solve for x
    x = 17,405,156,877.38/151,326.64
  6. Step 6: Final answer
    x = 115,017.14

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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.