Home / 292,005.10-438,085.62-92,329.30

Finding the Fourth Proportional to 292,005.10, 438,085.62 and 92,329.30

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Solution

The fourth proportional to 292,005.10, 438,085.62 and 92,329.30 is: 138,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,005.10 : 438,085.62 = 92,329.30 : x
  2. Step 2: Convert to fraction form
    292,005.10/438,085.62 = 92,329.30/x
  3. Step 3: Cross multiply
    292,005.10x = 438,085.62 × 92,329.30
  4. Step 4: Simplify right side
    292,005.10x = 40,448,138,634.67
  5. Step 5: Solve for x
    x = 40,448,138,634.67/292,005.10
  6. Step 6: Final answer
    x = 138,518.60

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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.