Home / 102,273-141,149.70-57,569.64

Finding the Fourth Proportional to 102,273, 141,149.70 and 57,569.64

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Solution

The fourth proportional to 102,273, 141,149.70 and 57,569.64 is: 79,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,273 : 141,149.70 = 57,569.64 : x
  2. Step 2: Convert to fraction form
    102,273/141,149.70 = 57,569.64/x
  3. Step 3: Cross multiply
    102,273x = 141,149.70 × 57,569.64
  4. Step 4: Simplify right side
    102,273x = 8,125,937,415.11
  5. Step 5: Solve for x
    x = 8,125,937,415.11/102,273
  6. Step 6: Final answer
    x = 79,453.40

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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.