Home / 137,024.55-205,314.48-70,372.08

Finding the Fourth Proportional to 137,024.55, 205,314.48 and 70,372.08

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Solution

The fourth proportional to 137,024.55, 205,314.48 and 70,372.08 is: 105,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,024.55 : 205,314.48 = 70,372.08 : x
  2. Step 2: Convert to fraction form
    137,024.55/205,314.48 = 70,372.08/x
  3. Step 3: Cross multiply
    137,024.55x = 205,314.48 × 70,372.08
  4. Step 4: Simplify right side
    137,024.55x = 14,448,407,011.72
  5. Step 5: Solve for x
    x = 14,448,407,011.72/137,024.55
  6. Step 6: Final answer
    x = 105,443.93

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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.