Home / 122,585.65-169,181.93-74,214.25

Finding the Fourth Proportional to 122,585.65, 169,181.93 and 74,214.25

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Solution

The fourth proportional to 122,585.65, 169,181.93 and 74,214.25 is: 102,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,585.65 : 169,181.93 = 74,214.25 : x
  2. Step 2: Convert to fraction form
    122,585.65/169,181.93 = 74,214.25/x
  3. Step 3: Cross multiply
    122,585.65x = 169,181.93 × 74,214.25
  4. Step 4: Simplify right side
    122,585.65x = 12,555,709,811.08
  5. Step 5: Solve for x
    x = 12,555,709,811.08/122,585.65
  6. Step 6: Final answer
    x = 102,423.98

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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.