Home / 147,332.15-203,319.78-83,670.41

Finding the Fourth Proportional to 147,332.15, 203,319.78 and 83,670.41

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Solution

The fourth proportional to 147,332.15, 203,319.78 and 83,670.41 is: 115,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,332.15 : 203,319.78 = 83,670.41 : x
  2. Step 2: Convert to fraction form
    147,332.15/203,319.78 = 83,670.41/x
  3. Step 3: Cross multiply
    147,332.15x = 203,319.78 × 83,670.41
  4. Step 4: Simplify right side
    147,332.15x = 17,011,848,337.11
  5. Step 5: Solve for x
    x = 17,011,848,337.11/147,332.15
  6. Step 6: Final answer
    x = 115,465.97

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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.