Home / 152,767.08-229,120.98-76,845.40

Finding the Fourth Proportional to 152,767.08, 229,120.98 and 76,845.40

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Solution

The fourth proportional to 152,767.08, 229,120.98 and 76,845.40 is: 115,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,767.08 : 229,120.98 = 76,845.40 : x
  2. Step 2: Convert to fraction form
    152,767.08/229,120.98 = 76,845.40/x
  3. Step 3: Cross multiply
    152,767.08x = 229,120.98 × 76,845.40
  4. Step 4: Simplify right side
    152,767.08x = 17,606,893,356.49
  5. Step 5: Solve for x
    x = 17,606,893,356.49/152,767.08
  6. Step 6: Final answer
    x = 115,253.19

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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.