Home / 112,910.52-155,688.07-92,427.45

Finding the Fourth Proportional to 112,910.52, 155,688.07 and 92,427.45

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Solution

The fourth proportional to 112,910.52, 155,688.07 and 92,427.45 is: 127,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,910.52 : 155,688.07 = 92,427.45 : x
  2. Step 2: Convert to fraction form
    112,910.52/155,688.07 = 92,427.45/x
  3. Step 3: Cross multiply
    112,910.52x = 155,688.07 × 92,427.45
  4. Step 4: Simplify right side
    112,910.52x = 14,389,851,305.52
  5. Step 5: Solve for x
    x = 14,389,851,305.52/112,910.52
  6. Step 6: Final answer
    x = 127,444.74

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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.