Home / 102,240.77-153,392.45-52,356.18

Finding the Fourth Proportional to 102,240.77, 153,392.45 and 52,356.18

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Solution

The fourth proportional to 102,240.77, 153,392.45 and 52,356.18 is: 78,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,240.77 : 153,392.45 = 52,356.18 : x
  2. Step 2: Convert to fraction form
    102,240.77/153,392.45 = 52,356.18/x
  3. Step 3: Cross multiply
    102,240.77x = 153,392.45 × 52,356.18
  4. Step 4: Simplify right side
    102,240.77x = 8,031,042,722.84
  5. Step 5: Solve for x
    x = 8,031,042,722.84/102,240.77
  6. Step 6: Final answer
    x = 78,550.30

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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.