Home / 113,194.53-156,052.35-90,302.04

Finding the Fourth Proportional to 113,194.53, 156,052.35 and 90,302.04

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Solution

The fourth proportional to 113,194.53, 156,052.35 and 90,302.04 is: 124,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,194.53 : 156,052.35 = 90,302.04 : x
  2. Step 2: Convert to fraction form
    113,194.53/156,052.35 = 90,302.04/x
  3. Step 3: Cross multiply
    113,194.53x = 156,052.35 × 90,302.04
  4. Step 4: Simplify right side
    113,194.53x = 14,091,845,551.79
  5. Step 5: Solve for x
    x = 14,091,845,551.79/113,194.53
  6. Step 6: Final answer
    x = 124,492.28

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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.