Home / 142,051.24-213,126.54-63,157.96

Finding the Fourth Proportional to 142,051.24, 213,126.54 and 63,157.96

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Solution

The fourth proportional to 142,051.24, 213,126.54 and 63,157.96 is: 94,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,051.24 : 213,126.54 = 63,157.96 : x
  2. Step 2: Convert to fraction form
    142,051.24/213,126.54 = 63,157.96/x
  3. Step 3: Cross multiply
    142,051.24x = 213,126.54 × 63,157.96
  4. Step 4: Simplify right side
    142,051.24x = 13,460,637,488.26
  5. Step 5: Solve for x
    x = 13,460,637,488.26/142,051.24
  6. Step 6: Final answer
    x = 94,759.03

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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.