Home / 170,784.60-235,664.57-99,151.23

Finding the Fourth Proportional to 170,784.60, 235,664.57 and 99,151.23

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Solution

The fourth proportional to 170,784.60, 235,664.57 and 99,151.23 is: 136,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,784.60 : 235,664.57 = 99,151.23 : x
  2. Step 2: Convert to fraction form
    170,784.60/235,664.57 = 99,151.23/x
  3. Step 3: Cross multiply
    170,784.60x = 235,664.57 × 99,151.23
  4. Step 4: Simplify right side
    170,784.60x = 23,366,431,487.16
  5. Step 5: Solve for x
    x = 23,366,431,487.16/170,784.60
  6. Step 6: Final answer
    x = 136,818.14

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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.