Home / 151,282.77-208,768.50-83,298.32

Finding the Fourth Proportional to 151,282.77, 208,768.50 and 83,298.32

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Solution

The fourth proportional to 151,282.77, 208,768.50 and 83,298.32 is: 114,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,282.77 : 208,768.50 = 83,298.32 : x
  2. Step 2: Convert to fraction form
    151,282.77/208,768.50 = 83,298.32/x
  3. Step 3: Cross multiply
    151,282.77x = 208,768.50 × 83,298.32
  4. Step 4: Simplify right side
    151,282.77x = 17,390,065,840.84
  5. Step 5: Solve for x
    x = 17,390,065,840.84/151,282.77
  6. Step 6: Final answer
    x = 114,950.74

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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.