Home / 191,931.36-264,865.76-107,053.92

Finding the Fourth Proportional to 191,931.36, 264,865.76 and 107,053.92

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Solution

The fourth proportional to 191,931.36, 264,865.76 and 107,053.92 is: 147,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,931.36 : 264,865.76 = 107,053.92 : x
  2. Step 2: Convert to fraction form
    191,931.36/264,865.76 = 107,053.92/x
  3. Step 3: Cross multiply
    191,931.36x = 264,865.76 × 107,053.92
  4. Step 4: Simplify right side
    191,931.36x = 28,354,917,881.78
  5. Step 5: Solve for x
    x = 28,354,917,881.78/191,931.36
  6. Step 6: Final answer
    x = 147,734.68

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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.