Home / 171,127.76-236,061.45-99,499.86

Finding the Fourth Proportional to 171,127.76, 236,061.45 and 99,499.86

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Solution

The fourth proportional to 171,127.76, 236,061.45 and 99,499.86 is: 137,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,127.76 : 236,061.45 = 99,499.86 : x
  2. Step 2: Convert to fraction form
    171,127.76/236,061.45 = 99,499.86/x
  3. Step 3: Cross multiply
    171,127.76x = 236,061.45 × 99,499.86
  4. Step 4: Simplify right side
    171,127.76x = 23,488,081,226.40
  5. Step 5: Solve for x
    x = 23,488,081,226.40/171,127.76
  6. Step 6: Final answer
    x = 137,254.66

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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.