Home / 157,140.32-216,877-92,588.96

Finding the Fourth Proportional to 157,140.32, 216,877 and 92,588.96

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Solution

The fourth proportional to 157,140.32, 216,877 and 92,588.96 is: 127,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,140.32 : 216,877 = 92,588.96 : x
  2. Step 2: Convert to fraction form
    157,140.32/216,877 = 92,588.96/x
  3. Step 3: Cross multiply
    157,140.32x = 216,877 × 92,588.96
  4. Step 4: Simplify right side
    157,140.32x = 20,080,415,877.92
  5. Step 5: Solve for x
    x = 20,080,415,877.92/157,140.32
  6. Step 6: Final answer
    x = 127,786.53

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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.