Home / 401,816.04-602,299.20-145,477.68

Finding the Fourth Proportional to 401,816.04, 602,299.20 and 145,477.68

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Solution

The fourth proportional to 401,816.04, 602,299.20 and 145,477.68 is: 218,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,816.04 : 602,299.20 = 145,477.68 : x
  2. Step 2: Convert to fraction form
    401,816.04/602,299.20 = 145,477.68/x
  3. Step 3: Cross multiply
    401,816.04x = 602,299.20 × 145,477.68
  4. Step 4: Simplify right side
    401,816.04x = 87,621,090,281.86
  5. Step 5: Solve for x
    x = 87,621,090,281.86/401,816.04
  6. Step 6: Final answer
    x = 218,062.70

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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.