Home / 272,581.72-376,162.73-151,720.40

Finding the Fourth Proportional to 272,581.72, 376,162.73 and 151,720.40

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Solution

The fourth proportional to 272,581.72, 376,162.73 and 151,720.40 is: 209,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,581.72 : 376,162.73 = 151,720.40 : x
  2. Step 2: Convert to fraction form
    272,581.72/376,162.73 = 151,720.40/x
  3. Step 3: Cross multiply
    272,581.72x = 376,162.73 × 151,720.40
  4. Step 4: Simplify right side
    272,581.72x = 57,071,559,860.69
  5. Step 5: Solve for x
    x = 57,071,559,860.69/272,581.72
  6. Step 6: Final answer
    x = 209,374.13

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1.5x scale

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.