Home / 292,832.10-438,924.15-115,280.10

Finding the Fourth Proportional to 292,832.10, 438,924.15 and 115,280.10

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Solution

The fourth proportional to 292,832.10, 438,924.15 and 115,280.10 is: 172,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,832.10 : 438,924.15 = 115,280.10 : x
  2. Step 2: Convert to fraction form
    292,832.10/438,924.15 = 115,280.10/x
  3. Step 3: Cross multiply
    292,832.10x = 438,924.15 × 115,280.10
  4. Step 4: Simplify right side
    292,832.10x = 50,599,219,904.42
  5. Step 5: Solve for x
    x = 50,599,219,904.42/292,832.10
  6. Step 6: Final answer
    x = 172,792.60

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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.