Home / 191,011.08-263,590.56-106,128.35

Finding the Fourth Proportional to 191,011.08, 263,590.56 and 106,128.35

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Solution

The fourth proportional to 191,011.08, 263,590.56 and 106,128.35 is: 146,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,011.08 : 263,590.56 = 106,128.35 : x
  2. Step 2: Convert to fraction form
    191,011.08/263,590.56 = 106,128.35/x
  3. Step 3: Cross multiply
    191,011.08x = 263,590.56 × 106,128.35
  4. Step 4: Simplify right side
    191,011.08x = 27,974,429,890.42
  5. Step 5: Solve for x
    x = 27,974,429,890.42/191,011.08
  6. Step 6: Final answer
    x = 146,454.49

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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.