Home / 308,056.24-462,100.80-97,710.40

Finding the Fourth Proportional to 308,056.24, 462,100.80 and 97,710.40

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Solution

The fourth proportional to 308,056.24, 462,100.80 and 97,710.40 is: 146,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,056.24 : 462,100.80 = 97,710.40 : x
  2. Step 2: Convert to fraction form
    308,056.24/462,100.80 = 97,710.40/x
  3. Step 3: Cross multiply
    308,056.24x = 462,100.80 × 97,710.40
  4. Step 4: Simplify right side
    308,056.24x = 45,152,054,008.32
  5. Step 5: Solve for x
    x = 45,152,054,008.32/308,056.24
  6. Step 6: Final answer
    x = 146,570.81

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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.