Home / 167,685.04-231,501-111,172.96

Finding the Fourth Proportional to 167,685.04, 231,501 and 111,172.96

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Solution

The fourth proportional to 167,685.04, 231,501 and 111,172.96 is: 153,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,685.04 : 231,501 = 111,172.96 : x
  2. Step 2: Convert to fraction form
    167,685.04/231,501 = 111,172.96/x
  3. Step 3: Cross multiply
    167,685.04x = 231,501 × 111,172.96
  4. Step 4: Simplify right side
    167,685.04x = 25,736,651,412.96
  5. Step 5: Solve for x
    x = 25,736,651,412.96/167,685.04
  6. Step 6: Final answer
    x = 153,482.10

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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.