Home / 122,866.01-169,560.55-69,154.51

Finding the Fourth Proportional to 122,866.01, 169,560.55 and 69,154.51

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Solution

The fourth proportional to 122,866.01, 169,560.55 and 69,154.51 is: 95,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,866.01 : 169,560.55 = 69,154.51 : x
  2. Step 2: Convert to fraction form
    122,866.01/169,560.55 = 69,154.51/x
  3. Step 3: Cross multiply
    122,866.01x = 169,560.55 × 69,154.51
  4. Step 4: Simplify right side
    122,866.01x = 11,725,875,557.01
  5. Step 5: Solve for x
    x = 11,725,875,557.01/122,866.01
  6. Step 6: Final answer
    x = 95,436.29

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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.