Home / 119,253.48-164,533.88-71,489.40

Finding the Fourth Proportional to 119,253.48, 164,533.88 and 71,489.40

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Solution

The fourth proportional to 119,253.48, 164,533.88 and 71,489.40 is: 98,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,253.48 : 164,533.88 = 71,489.40 : x
  2. Step 2: Convert to fraction form
    119,253.48/164,533.88 = 71,489.40/x
  3. Step 3: Cross multiply
    119,253.48x = 164,533.88 × 71,489.40
  4. Step 4: Simplify right side
    119,253.48x = 11,762,428,360.87
  5. Step 5: Solve for x
    x = 11,762,428,360.87/119,253.48
  6. Step 6: Final answer
    x = 98,633.84

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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.