Home / 113,290.68-156,302.20-70,254.70

Finding the Fourth Proportional to 113,290.68, 156,302.20 and 70,254.70

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Solution

The fourth proportional to 113,290.68, 156,302.20 and 70,254.70 is: 96,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,290.68 : 156,302.20 = 70,254.70 : x
  2. Step 2: Convert to fraction form
    113,290.68/156,302.20 = 70,254.70/x
  3. Step 3: Cross multiply
    113,290.68x = 156,302.20 × 70,254.70
  4. Step 4: Simplify right side
    113,290.68x = 10,980,964,170.34
  5. Step 5: Solve for x
    x = 10,980,964,170.34/113,290.68
  6. Step 6: Final answer
    x = 96,927.34

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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.