Home / 194,345.90-291,648.45-89,110.70

Finding the Fourth Proportional to 194,345.90, 291,648.45 and 89,110.70

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Solution

The fourth proportional to 194,345.90, 291,648.45 and 89,110.70 is: 133,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,345.90 : 291,648.45 = 89,110.70 : x
  2. Step 2: Convert to fraction form
    194,345.90/291,648.45 = 89,110.70/x
  3. Step 3: Cross multiply
    194,345.90x = 291,648.45 × 89,110.70
  4. Step 4: Simplify right side
    194,345.90x = 25,988,997,533.42
  5. Step 5: Solve for x
    x = 25,988,997,533.42/194,345.90
  6. Step 6: Final answer
    x = 133,725.47

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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.