Home / 113,307.08-169,977.36-42,211.76

Finding the Fourth Proportional to 113,307.08, 169,977.36 and 42,211.76

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Solution

The fourth proportional to 113,307.08, 169,977.36 and 42,211.76 is: 63,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,307.08 : 169,977.36 = 42,211.76 : x
  2. Step 2: Convert to fraction form
    113,307.08/169,977.36 = 42,211.76/x
  3. Step 3: Cross multiply
    113,307.08x = 169,977.36 × 42,211.76
  4. Step 4: Simplify right side
    113,307.08x = 7,175,043,525.75
  5. Step 5: Solve for x
    x = 7,175,043,525.75/113,307.08
  6. Step 6: Final answer
    x = 63,323.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.