Home / 191,531.65-264,310.57-105,498.83

Finding the Fourth Proportional to 191,531.65, 264,310.57 and 105,498.83

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Solution

The fourth proportional to 191,531.65, 264,310.57 and 105,498.83 is: 145,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,531.65 : 264,310.57 = 105,498.83 : x
  2. Step 2: Convert to fraction form
    191,531.65/264,310.57 = 105,498.83/x
  3. Step 3: Cross multiply
    191,531.65x = 264,310.57 × 105,498.83
  4. Step 4: Simplify right side
    191,531.65x = 27,884,455,644.19
  5. Step 5: Solve for x
    x = 27,884,455,644.19/191,531.65
  6. Step 6: Final answer
    x = 145,586.67

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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.