Home / 171,297.06-236,332.53-99,661.74

Finding the Fourth Proportional to 171,297.06, 236,332.53 and 99,661.74

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Solution

The fourth proportional to 171,297.06, 236,332.53 and 99,661.74 is: 137,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,297.06 : 236,332.53 = 99,661.74 : x
  2. Step 2: Convert to fraction form
    171,297.06/236,332.53 = 99,661.74/x
  3. Step 3: Cross multiply
    171,297.06x = 236,332.53 × 99,661.74
  4. Step 4: Simplify right side
    171,297.06x = 23,553,311,158.40
  5. Step 5: Solve for x
    x = 23,553,311,158.40/171,297.06
  6. Step 6: Final answer
    x = 137,499.80

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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.