Home / 167,528.32-231,001.44-156,899.50

Finding the Fourth Proportional to 167,528.32, 231,001.44 and 156,899.50

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Solution

The fourth proportional to 167,528.32, 231,001.44 and 156,899.50 is: 216,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,528.32 : 231,001.44 = 156,899.50 : x
  2. Step 2: Convert to fraction form
    167,528.32/231,001.44 = 156,899.50/x
  3. Step 3: Cross multiply
    167,528.32x = 231,001.44 × 156,899.50
  4. Step 4: Simplify right side
    167,528.32x = 36,244,009,269.40
  5. Step 5: Solve for x
    x = 36,244,009,269.40/167,528.32
  6. Step 6: Final answer
    x = 216,345.57

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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.