Home / 401,948.46-602,464.02-161,908.64

Finding the Fourth Proportional to 401,948.46, 602,464.02 and 161,908.64

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Solution

The fourth proportional to 401,948.46, 602,464.02 and 161,908.64 is: 242,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,948.46 : 602,464.02 = 161,908.64 : x
  2. Step 2: Convert to fraction form
    401,948.46/602,464.02 = 161,908.64/x
  3. Step 3: Cross multiply
    401,948.46x = 602,464.02 × 161,908.64
  4. Step 4: Simplify right side
    401,948.46x = 97,544,130,127.13
  5. Step 5: Solve for x
    x = 97,544,130,127.13/401,948.46
  6. Step 6: Final answer
    x = 242,678.20

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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.