Home / 194,731.90-292,097.85-128,247.10

Finding the Fourth Proportional to 194,731.90, 292,097.85 and 128,247.10

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Solution

The fourth proportional to 194,731.90, 292,097.85 and 128,247.10 is: 192,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,731.90 : 292,097.85 = 128,247.10 : x
  2. Step 2: Convert to fraction form
    194,731.90/292,097.85 = 128,247.10/x
  3. Step 3: Cross multiply
    194,731.90x = 292,097.85 × 128,247.10
  4. Step 4: Simplify right side
    194,731.90x = 37,460,702,178.74
  5. Step 5: Solve for x
    x = 37,460,702,178.74/194,731.90
  6. Step 6: Final answer
    x = 192,370.65

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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.