Home / 113,307.04-156,219.24-70,850.08

Finding the Fourth Proportional to 113,307.04, 156,219.24 and 70,850.08

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Solution

The fourth proportional to 113,307.04, 156,219.24 and 70,850.08 is: 97,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,307.04 : 156,219.24 = 70,850.08 : x
  2. Step 2: Convert to fraction form
    113,307.04/156,219.24 = 70,850.08/x
  3. Step 3: Cross multiply
    113,307.04x = 156,219.24 × 70,850.08
  4. Step 4: Simplify right side
    113,307.04x = 11,068,145,651.54
  5. Step 5: Solve for x
    x = 11,068,145,651.54/113,307.04
  6. Step 6: Final answer
    x = 97,682.77

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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.