Home / 191,516.40-264,282.30-105,458.76

Finding the Fourth Proportional to 191,516.40, 264,282.30 and 105,458.76

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Solution

The fourth proportional to 191,516.40, 264,282.30 and 105,458.76 is: 145,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,516.40 : 264,282.30 = 105,458.76 : x
  2. Step 2: Convert to fraction form
    191,516.40/264,282.30 = 105,458.76/x
  3. Step 3: Cross multiply
    191,516.40x = 264,282.30 × 105,458.76
  4. Step 4: Simplify right side
    191,516.40x = 27,870,883,647.95
  5. Step 5: Solve for x
    x = 27,870,883,647.95/191,516.40
  6. Step 6: Final answer
    x = 145,527.40

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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.