Home / 113,191.64-156,111.76-70,141.22

Finding the Fourth Proportional to 113,191.64, 156,111.76 and 70,141.22

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Solution

The fourth proportional to 113,191.64, 156,111.76 and 70,141.22 is: 96,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,191.64 : 156,111.76 = 70,141.22 : x
  2. Step 2: Convert to fraction form
    113,191.64/156,111.76 = 70,141.22/x
  3. Step 3: Cross multiply
    113,191.64x = 156,111.76 × 70,141.22
  4. Step 4: Simplify right side
    113,191.64x = 10,949,869,302.75
  5. Step 5: Solve for x
    x = 10,949,869,302.75/113,191.64
  6. Step 6: Final answer
    x = 96,737.44

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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.