Home / 170,702.64-235,598.40-99,142.56

Finding the Fourth Proportional to 170,702.64, 235,598.40 and 99,142.56

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Solution

The fourth proportional to 170,702.64, 235,598.40 and 99,142.56 is: 136,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,702.64 : 235,598.40 = 99,142.56 : x
  2. Step 2: Convert to fraction form
    170,702.64/235,598.40 = 99,142.56/x
  3. Step 3: Cross multiply
    170,702.64x = 235,598.40 × 99,142.56
  4. Step 4: Simplify right side
    170,702.64x = 23,357,828,507.90
  5. Step 5: Solve for x
    x = 23,357,828,507.90/170,702.64
  6. Step 6: Final answer
    x = 136,833.43

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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.