Home / 131,607.10-197,427.06-42,836.77

Finding the Fourth Proportional to 131,607.10, 197,427.06 and 42,836.77

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Solution

The fourth proportional to 131,607.10, 197,427.06 and 42,836.77 is: 64,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,607.10 : 197,427.06 = 42,836.77 : x
  2. Step 2: Convert to fraction form
    131,607.10/197,427.06 = 42,836.77/x
  3. Step 3: Cross multiply
    131,607.10x = 197,427.06 × 42,836.77
  4. Step 4: Simplify right side
    131,607.10x = 8,457,138,302.80
  5. Step 5: Solve for x
    x = 8,457,138,302.80/131,607.10
  6. Step 6: Final answer
    x = 64,260.50

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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.