Home / 103,249.96-142,463.22-67,492.36

Finding the Fourth Proportional to 103,249.96, 142,463.22 and 67,492.36

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Solution

The fourth proportional to 103,249.96, 142,463.22 and 67,492.36 is: 93,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,249.96 : 142,463.22 = 67,492.36 : x
  2. Step 2: Convert to fraction form
    103,249.96/142,463.22 = 67,492.36/x
  3. Step 3: Cross multiply
    103,249.96x = 142,463.22 × 67,492.36
  4. Step 4: Simplify right side
    103,249.96x = 9,615,178,931.00
  5. Step 5: Solve for x
    x = 9,615,178,931.00/103,249.96
  6. Step 6: Final answer
    x = 93,125.26

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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.