Home / 191,007.15-286,510.40-50,765.77

Finding the Fourth Proportional to 191,007.15, 286,510.40 and 50,765.77

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Solution

The fourth proportional to 191,007.15, 286,510.40 and 50,765.77 is: 76,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,007.15 : 286,510.40 = 50,765.77 : x
  2. Step 2: Convert to fraction form
    191,007.15/286,510.40 = 50,765.77/x
  3. Step 3: Cross multiply
    191,007.15x = 286,510.40 × 50,765.77
  4. Step 4: Simplify right side
    191,007.15x = 14,544,921,363.69
  5. Step 5: Solve for x
    x = 14,544,921,363.69/191,007.15
  6. Step 6: Final answer
    x = 76,148.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.