Home / 110,364.18-165,547.80-31,478.40

Finding the Fourth Proportional to 110,364.18, 165,547.80 and 31,478.40

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Solution

The fourth proportional to 110,364.18, 165,547.80 and 31,478.40 is: 47,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,364.18 : 165,547.80 = 31,478.40 : x
  2. Step 2: Convert to fraction form
    110,364.18/165,547.80 = 31,478.40/x
  3. Step 3: Cross multiply
    110,364.18x = 165,547.80 × 31,478.40
  4. Step 4: Simplify right side
    110,364.18x = 5,211,179,867.52
  5. Step 5: Solve for x
    x = 5,211,179,867.52/110,364.18
  6. Step 6: Final answer
    x = 47,218.04

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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.