Home / 170,401.60-235,153.16-92,877.17

Finding the Fourth Proportional to 170,401.60, 235,153.16 and 92,877.17

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Solution

The fourth proportional to 170,401.60, 235,153.16 and 92,877.17 is: 128,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,401.60 : 235,153.16 = 92,877.17 : x
  2. Step 2: Convert to fraction form
    170,401.60/235,153.16 = 92,877.17/x
  3. Step 3: Cross multiply
    170,401.60x = 235,153.16 × 92,877.17
  4. Step 4: Simplify right side
    170,401.60x = 21,840,358,377.21
  5. Step 5: Solve for x
    x = 21,840,358,377.21/170,401.60
  6. Step 6: Final answer
    x = 128,169.92

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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.