Home / 151,358.08-208,655.94-105,895.22

Finding the Fourth Proportional to 151,358.08, 208,655.94 and 105,895.22

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Solution

The fourth proportional to 151,358.08, 208,655.94 and 105,895.22 is: 145,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,358.08 : 208,655.94 = 105,895.22 : x
  2. Step 2: Convert to fraction form
    151,358.08/208,655.94 = 105,895.22/x
  3. Step 3: Cross multiply
    151,358.08x = 208,655.94 × 105,895.22
  4. Step 4: Simplify right side
    151,358.08x = 22,095,666,670.61
  5. Step 5: Solve for x
    x = 22,095,666,670.61/151,358.08
  6. Step 6: Final answer
    x = 145,982.74

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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.