Home / 132,681.92-183,071.41-111,258.32

Finding the Fourth Proportional to 132,681.92, 183,071.41 and 111,258.32

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Solution

The fourth proportional to 132,681.92, 183,071.41 and 111,258.32 is: 153,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,681.92 : 183,071.41 = 111,258.32 : x
  2. Step 2: Convert to fraction form
    132,681.92/183,071.41 = 111,258.32/x
  3. Step 3: Cross multiply
    132,681.92x = 183,071.41 × 111,258.32
  4. Step 4: Simplify right side
    132,681.92x = 20,368,216,323.13
  5. Step 5: Solve for x
    x = 20,368,216,323.13/132,681.92
  6. Step 6: Final answer
    x = 153,511.62

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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.