Home / 165,032.78-247,547.21-52,711.52

Finding the Fourth Proportional to 165,032.78, 247,547.21 and 52,711.52

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Solution

The fourth proportional to 165,032.78, 247,547.21 and 52,711.52 is: 79,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,032.78 : 247,547.21 = 52,711.52 : x
  2. Step 2: Convert to fraction form
    165,032.78/247,547.21 = 52,711.52/x
  3. Step 3: Cross multiply
    165,032.78x = 247,547.21 × 52,711.52
  4. Step 4: Simplify right side
    165,032.78x = 13,048,588,209.57
  5. Step 5: Solve for x
    x = 13,048,588,209.57/165,032.78
  6. Step 6: Final answer
    x = 79,066.65

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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.