Home / 191,727.95-264,596.12-105,686.81

Finding the Fourth Proportional to 191,727.95, 264,596.12 and 105,686.81

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Solution

The fourth proportional to 191,727.95, 264,596.12 and 105,686.81 is: 145,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,727.95 : 264,596.12 = 105,686.81 : x
  2. Step 2: Convert to fraction form
    191,727.95/264,596.12 = 105,686.81/x
  3. Step 3: Cross multiply
    191,727.95x = 264,596.12 × 105,686.81
  4. Step 4: Simplify right side
    191,727.95x = 27,964,319,398.32
  5. Step 5: Solve for x
    x = 27,964,319,398.32/191,727.95
  6. Step 6: Final answer
    x = 145,854.17

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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.