Home / 191,180.17-286,146.47-140,565.77

Finding the Fourth Proportional to 191,180.17, 286,146.47 and 140,565.77

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Solution

The fourth proportional to 191,180.17, 286,146.47 and 140,565.77 is: 210,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,180.17 : 286,146.47 = 140,565.77 : x
  2. Step 2: Convert to fraction form
    191,180.17/286,146.47 = 140,565.77/x
  3. Step 3: Cross multiply
    191,180.17x = 286,146.47 × 140,565.77
  4. Step 4: Simplify right side
    191,180.17x = 40,222,399,955.11
  5. Step 5: Solve for x
    x = 40,222,399,955.11/191,180.17
  6. Step 6: Final answer
    x = 210,390.02

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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.