Home / 166,988.16-230,478.44-153,538.11

Finding the Fourth Proportional to 166,988.16, 230,478.44 and 153,538.11

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Solution

The fourth proportional to 166,988.16, 230,478.44 and 153,538.11 is: 211,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,988.16 : 230,478.44 = 153,538.11 : x
  2. Step 2: Convert to fraction form
    166,988.16/230,478.44 = 153,538.11/x
  3. Step 3: Cross multiply
    166,988.16x = 230,478.44 × 153,538.11
  4. Step 4: Simplify right side
    166,988.16x = 35,387,223,305.66
  5. Step 5: Solve for x
    x = 35,387,223,305.66/166,988.16
  6. Step 6: Final answer
    x = 211,914.57

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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.