Home / 272,705.04-376,332.01-151,847.78

Finding the Fourth Proportional to 272,705.04, 376,332.01 and 151,847.78

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Solution

The fourth proportional to 272,705.04, 376,332.01 and 151,847.78 is: 209,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,705.04 : 376,332.01 = 151,847.78 : x
  2. Step 2: Convert to fraction form
    272,705.04/376,332.01 = 151,847.78/x
  3. Step 3: Cross multiply
    272,705.04x = 376,332.01 × 151,847.78
  4. Step 4: Simplify right side
    272,705.04x = 57,145,178,000.16
  5. Step 5: Solve for x
    x = 57,145,178,000.16/272,705.04
  6. Step 6: Final answer
    x = 209,549.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.