Home / 170,816.39-235,755.47-99,237.93

Finding the Fourth Proportional to 170,816.39, 235,755.47 and 99,237.93

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Solution

The fourth proportional to 170,816.39, 235,755.47 and 99,237.93 is: 136,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,816.39 : 235,755.47 = 99,237.93 : x
  2. Step 2: Convert to fraction form
    170,816.39/235,755.47 = 99,237.93/x
  3. Step 3: Cross multiply
    170,816.39x = 235,755.47 × 99,237.93
  4. Step 4: Simplify right side
    170,816.39x = 23,395,885,693.74
  5. Step 5: Solve for x
    x = 23,395,885,693.74/170,816.39
  6. Step 6: Final answer
    x = 136,965.11

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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.