Home / 112,547.18-168,903.78-53,383.04

Finding the Fourth Proportional to 112,547.18, 168,903.78 and 53,383.04

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Solution

The fourth proportional to 112,547.18, 168,903.78 and 53,383.04 is: 80,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.18 : 168,903.78 = 53,383.04 : x
  2. Step 2: Convert to fraction form
    112,547.18/168,903.78 = 53,383.04/x
  3. Step 3: Cross multiply
    112,547.18x = 168,903.78 × 53,383.04
  4. Step 4: Simplify right side
    112,547.18x = 9,016,597,243.89
  5. Step 5: Solve for x
    x = 9,016,597,243.89/112,547.18
  6. Step 6: Final answer
    x = 80,113.93

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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.