Home / 191,931.64-264,865.69-107,048.70

Finding the Fourth Proportional to 191,931.64, 264,865.69 and 107,048.70

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Solution

The fourth proportional to 191,931.64, 264,865.69 and 107,048.70 is: 147,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,931.64 : 264,865.69 = 107,048.70 : x
  2. Step 2: Convert to fraction form
    191,931.64/264,865.69 = 107,048.70/x
  3. Step 3: Cross multiply
    191,931.64x = 264,865.69 × 107,048.70
  4. Step 4: Simplify right side
    191,931.64x = 28,353,527,253.86
  5. Step 5: Solve for x
    x = 28,353,527,253.86/191,931.64
  6. Step 6: Final answer
    x = 147,727.22

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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.