Home / 151,133.00-208,563.53-83,148.50

Finding the Fourth Proportional to 151,133.00, 208,563.53 and 83,148.50

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Solution

The fourth proportional to 151,133.00, 208,563.53 and 83,148.50 is: 114,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,133.00 : 208,563.53 = 83,148.50 : x
  2. Step 2: Convert to fraction form
    151,133.00/208,563.53 = 83,148.50/x
  3. Step 3: Cross multiply
    151,133.00x = 208,563.53 × 83,148.50
  4. Step 4: Simplify right side
    151,133.00x = 17,341,744,779.87
  5. Step 5: Solve for x
    x = 17,341,744,779.87/151,133.00
  6. Step 6: Final answer
    x = 114,744.93

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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.