Home / 118,620.09-163,714.10-67,632.93

Finding the Fourth Proportional to 118,620.09, 163,714.10 and 67,632.93

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Solution

The fourth proportional to 118,620.09, 163,714.10 and 67,632.93 is: 93,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,620.09 : 163,714.10 = 67,632.93 : x
  2. Step 2: Convert to fraction form
    118,620.09/163,714.10 = 67,632.93/x
  3. Step 3: Cross multiply
    118,620.09x = 163,714.10 × 67,632.93
  4. Step 4: Simplify right side
    118,620.09x = 11,072,463,927.15
  5. Step 5: Solve for x
    x = 11,072,463,927.15/118,620.09
  6. Step 6: Final answer
    x = 93,343.92

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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.