Home / 113,607.58-156,790.12-68,300.32

Finding the Fourth Proportional to 113,607.58, 156,790.12 and 68,300.32

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Solution

The fourth proportional to 113,607.58, 156,790.12 and 68,300.32 is: 94,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.58 : 156,790.12 = 68,300.32 : x
  2. Step 2: Convert to fraction form
    113,607.58/156,790.12 = 68,300.32/x
  3. Step 3: Cross multiply
    113,607.58x = 156,790.12 × 68,300.32
  4. Step 4: Simplify right side
    113,607.58x = 10,708,815,368.84
  5. Step 5: Solve for x
    x = 10,708,815,368.84/113,607.58
  6. Step 6: Final answer
    x = 94,261.45

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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.