Home / 113,535.10-170,302.65-54,340.30

Finding the Fourth Proportional to 113,535.10, 170,302.65 and 54,340.30

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Solution

The fourth proportional to 113,535.10, 170,302.65 and 54,340.30 is: 81,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,535.10 : 170,302.65 = 54,340.30 : x
  2. Step 2: Convert to fraction form
    113,535.10/170,302.65 = 54,340.30/x
  3. Step 3: Cross multiply
    113,535.10x = 170,302.65 × 54,340.30
  4. Step 4: Simplify right side
    113,535.10x = 9,254,297,091.80
  5. Step 5: Solve for x
    x = 9,254,297,091.80/113,535.10
  6. Step 6: Final answer
    x = 81,510.45

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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.