Home / 151,359.24-208,875.80-87,733.92

Finding the Fourth Proportional to 151,359.24, 208,875.80 and 87,733.92

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Solution

The fourth proportional to 151,359.24, 208,875.80 and 87,733.92 is: 121,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,359.24 : 208,875.80 = 87,733.92 : x
  2. Step 2: Convert to fraction form
    151,359.24/208,875.80 = 87,733.92/x
  3. Step 3: Cross multiply
    151,359.24x = 208,875.80 × 87,733.92
  4. Step 4: Simplify right side
    151,359.24x = 18,325,492,727.14
  5. Step 5: Solve for x
    x = 18,325,492,727.14/151,359.24
  6. Step 6: Final answer
    x = 121,072.84

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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.