Home / 272,668.16-376,282.71-151,803.60

Finding the Fourth Proportional to 272,668.16, 376,282.71 and 151,803.60

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Solution

The fourth proportional to 272,668.16, 376,282.71 and 151,803.60 is: 209,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,668.16 : 376,282.71 = 151,803.60 : x
  2. Step 2: Convert to fraction form
    272,668.16/376,282.71 = 151,803.60/x
  3. Step 3: Cross multiply
    272,668.16x = 376,282.71 × 151,803.60
  4. Step 4: Simplify right side
    272,668.16x = 57,121,069,995.76
  5. Step 5: Solve for x
    x = 57,121,069,995.76/272,668.16
  6. Step 6: Final answer
    x = 209,489.33

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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.