Home / 167,641.04-231,440.28-111,128.96

Finding the Fourth Proportional to 167,641.04, 231,440.28 and 111,128.96

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Solution

The fourth proportional to 167,641.04, 231,440.28 and 111,128.96 is: 153,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,641.04 : 231,440.28 = 111,128.96 : x
  2. Step 2: Convert to fraction form
    167,641.04/231,440.28 = 111,128.96/x
  3. Step 3: Cross multiply
    167,641.04x = 231,440.28 × 111,128.96
  4. Step 4: Simplify right side
    167,641.04x = 25,719,717,618.51
  5. Step 5: Solve for x
    x = 25,719,717,618.51/167,641.04
  6. Step 6: Final answer
    x = 153,421.37

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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.