Home / 122,216.40-168,663.36-68,501.76

Finding the Fourth Proportional to 122,216.40, 168,663.36 and 68,501.76

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Solution

The fourth proportional to 122,216.40, 168,663.36 and 68,501.76 is: 94,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,216.40 : 168,663.36 = 68,501.76 : x
  2. Step 2: Convert to fraction form
    122,216.40/168,663.36 = 68,501.76/x
  3. Step 3: Cross multiply
    122,216.40x = 168,663.36 × 68,501.76
  4. Step 4: Simplify right side
    122,216.40x = 11,553,737,007.51
  5. Step 5: Solve for x
    x = 11,553,737,007.51/122,216.40
  6. Step 6: Final answer
    x = 94,535.08

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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.