Home / 117,435.72-176,153.07-42,538.32

Finding the Fourth Proportional to 117,435.72, 176,153.07 and 42,538.32

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Solution

The fourth proportional to 117,435.72, 176,153.07 and 42,538.32 is: 63,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,435.72 : 176,153.07 = 42,538.32 : x
  2. Step 2: Convert to fraction form
    117,435.72/176,153.07 = 42,538.32/x
  3. Step 3: Cross multiply
    117,435.72x = 176,153.07 × 42,538.32
  4. Step 4: Simplify right side
    117,435.72x = 7,493,255,660.64
  5. Step 5: Solve for x
    x = 7,493,255,660.64/117,435.72
  6. Step 6: Final answer
    x = 63,807.30

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1.5x scale

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.