Home / 122,477.14-169,036.90-74,758.22

Finding the Fourth Proportional to 122,477.14, 169,036.90 and 74,758.22

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Solution

The fourth proportional to 122,477.14, 169,036.90 and 74,758.22 is: 103,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477.14 : 169,036.90 = 74,758.22 : x
  2. Step 2: Convert to fraction form
    122,477.14/169,036.90 = 74,758.22/x
  3. Step 3: Cross multiply
    122,477.14x = 169,036.90 × 74,758.22
  4. Step 4: Simplify right side
    122,477.14x = 12,636,897,758.32
  5. Step 5: Solve for x
    x = 12,636,897,758.32/122,477.14
  6. Step 6: Final answer
    x = 103,177.60

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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.