Home / 124,237.34-171,403.80-81,241.98

Finding the Fourth Proportional to 124,237.34, 171,403.80 and 81,241.98

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Solution

The fourth proportional to 124,237.34, 171,403.80 and 81,241.98 is: 112,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,237.34 : 171,403.80 = 81,241.98 : x
  2. Step 2: Convert to fraction form
    124,237.34/171,403.80 = 81,241.98/x
  3. Step 3: Cross multiply
    124,237.34x = 171,403.80 × 81,241.98
  4. Step 4: Simplify right side
    124,237.34x = 13,925,184,091.52
  5. Step 5: Solve for x
    x = 13,925,184,091.52/124,237.34
  6. Step 6: Final answer
    x = 112,085.34

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1.5x scale

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.