Home / 272,643.11-376,240.15-151,784.40

Finding the Fourth Proportional to 272,643.11, 376,240.15 and 151,784.40

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Solution

The fourth proportional to 272,643.11, 376,240.15 and 151,784.40 is: 209,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,643.11 : 376,240.15 = 151,784.40 : x
  2. Step 2: Convert to fraction form
    272,643.11/376,240.15 = 151,784.40/x
  3. Step 3: Cross multiply
    272,643.11x = 376,240.15 × 151,784.40
  4. Step 4: Simplify right side
    272,643.11x = 57,107,385,423.66
  5. Step 5: Solve for x
    x = 57,107,385,423.66/272,643.11
  6. Step 6: Final answer
    x = 209,458.38

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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.