Home / 112,973.60-155,776.32-92,492

Finding the Fourth Proportional to 112,973.60, 155,776.32 and 92,492

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Solution

The fourth proportional to 112,973.60, 155,776.32 and 92,492 is: 127,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.60 : 155,776.32 = 92,492 : x
  2. Step 2: Convert to fraction form
    112,973.60/155,776.32 = 92,492/x
  3. Step 3: Cross multiply
    112,973.60x = 155,776.32 × 92,492
  4. Step 4: Simplify right side
    112,973.60x = 14,408,063,389.44
  5. Step 5: Solve for x
    x = 14,408,063,389.44/112,973.60
  6. Step 6: Final answer
    x = 127,534.78

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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.