Home / 170,781.60-235,660.43-99,148.23

Finding the Fourth Proportional to 170,781.60, 235,660.43 and 99,148.23

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Solution

The fourth proportional to 170,781.60, 235,660.43 and 99,148.23 is: 136,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,781.60 : 235,660.43 = 99,148.23 : x
  2. Step 2: Convert to fraction form
    170,781.60/235,660.43 = 99,148.23/x
  3. Step 3: Cross multiply
    170,781.60x = 235,660.43 × 99,148.23
  4. Step 4: Simplify right side
    170,781.60x = 23,365,314,019.80
  5. Step 5: Solve for x
    x = 23,365,314,019.80/170,781.60
  6. Step 6: Final answer
    x = 136,814.00

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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.