Home / 147,038.60-202,912.50-109,368.20

Finding the Fourth Proportional to 147,038.60, 202,912.50 and 109,368.20

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Solution

The fourth proportional to 147,038.60, 202,912.50 and 109,368.20 is: 150,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,038.60 : 202,912.50 = 109,368.20 : x
  2. Step 2: Convert to fraction form
    147,038.60/202,912.50 = 109,368.20/x
  3. Step 3: Cross multiply
    147,038.60x = 202,912.50 × 109,368.20
  4. Step 4: Simplify right side
    147,038.60x = 22,192,174,882.50
  5. Step 5: Solve for x
    x = 22,192,174,882.50/147,038.60
  6. Step 6: Final answer
    x = 150,927.54

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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.