Home / 308,056.10-462,040.95-97,715.30

Finding the Fourth Proportional to 308,056.10, 462,040.95 and 97,715.30

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Solution

The fourth proportional to 308,056.10, 462,040.95 and 97,715.30 is: 146,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,056.10 : 462,040.95 = 97,715.30 : x
  2. Step 2: Convert to fraction form
    308,056.10/462,040.95 = 97,715.30/x
  3. Step 3: Cross multiply
    308,056.10x = 462,040.95 × 97,715.30
  4. Step 4: Simplify right side
    308,056.10x = 45,148,470,041.54
  5. Step 5: Solve for x
    x = 45,148,470,041.54/308,056.10
  6. Step 6: Final answer
    x = 146,559.25

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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.