Home / 102,199.33-153,299.05-45,973.76

Finding the Fourth Proportional to 102,199.33, 153,299.05 and 45,973.76

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Solution

The fourth proportional to 102,199.33, 153,299.05 and 45,973.76 is: 68,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,199.33 : 153,299.05 = 45,973.76 : x
  2. Step 2: Convert to fraction form
    102,199.33/153,299.05 = 45,973.76/x
  3. Step 3: Cross multiply
    102,199.33x = 153,299.05 × 45,973.76
  4. Step 4: Simplify right side
    102,199.33x = 7,047,732,851.50
  5. Step 5: Solve for x
    x = 7,047,732,851.50/102,199.33
  6. Step 6: Final answer
    x = 68,960.66

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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.