Home / 438,034.14-657,051.30-153,947.70

Finding the Fourth Proportional to 438,034.14, 657,051.30 and 153,947.70

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Solution

The fourth proportional to 438,034.14, 657,051.30 and 153,947.70 is: 230,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,034.14 : 657,051.30 = 153,947.70 : x
  2. Step 2: Convert to fraction form
    438,034.14/657,051.30 = 153,947.70/x
  3. Step 3: Cross multiply
    438,034.14x = 657,051.30 × 153,947.70
  4. Step 4: Simplify right side
    438,034.14x = 101,151,536,417.01
  5. Step 5: Solve for x
    x = 101,151,536,417.01/438,034.14
  6. Step 6: Final answer
    x = 230,921.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.