Home / 112,802.08-155,695.44-67,507.36

Finding the Fourth Proportional to 112,802.08, 155,695.44 and 67,507.36

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Solution

The fourth proportional to 112,802.08, 155,695.44 and 67,507.36 is: 93,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,802.08 : 155,695.44 = 67,507.36 : x
  2. Step 2: Convert to fraction form
    112,802.08/155,695.44 = 67,507.36/x
  3. Step 3: Cross multiply
    112,802.08x = 155,695.44 × 67,507.36
  4. Step 4: Simplify right side
    112,802.08x = 10,510,588,118.44
  5. Step 5: Solve for x
    x = 10,510,588,118.44/112,802.08
  6. Step 6: Final answer
    x = 93,177.25

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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.