Home / 113,810.20-170,715.30-61,322.20

Finding the Fourth Proportional to 113,810.20, 170,715.30 and 61,322.20

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Solution

The fourth proportional to 113,810.20, 170,715.30 and 61,322.20 is: 91,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,810.20 : 170,715.30 = 61,322.20 : x
  2. Step 2: Convert to fraction form
    113,810.20/170,715.30 = 61,322.20/x
  3. Step 3: Cross multiply
    113,810.20x = 170,715.30 × 61,322.20
  4. Step 4: Simplify right side
    113,810.20x = 10,468,637,769.66
  5. Step 5: Solve for x
    x = 10,468,637,769.66/113,810.20
  6. Step 6: Final answer
    x = 91,983.30

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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.