Home / 272,403.42-375,921.75-151,555.95

Finding the Fourth Proportional to 272,403.42, 375,921.75 and 151,555.95

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Solution

The fourth proportional to 272,403.42, 375,921.75 and 151,555.95 is: 209,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,403.42 : 375,921.75 = 151,555.95 : x
  2. Step 2: Convert to fraction form
    272,403.42/375,921.75 = 151,555.95/x
  3. Step 3: Cross multiply
    272,403.42x = 375,921.75 × 151,555.95
  4. Step 4: Simplify right side
    272,403.42x = 56,973,177,946.91
  5. Step 5: Solve for x
    x = 56,973,177,946.91/272,403.42
  6. Step 6: Final answer
    x = 209,150.01

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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.