Home / 191,031.93-286,531.38-64,669.47

Finding the Fourth Proportional to 191,031.93, 286,531.38 and 64,669.47

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Solution

The fourth proportional to 191,031.93, 286,531.38 and 64,669.47 is: 96,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,031.93 : 286,531.38 = 64,669.47 : x
  2. Step 2: Convert to fraction form
    191,031.93/286,531.38 = 64,669.47/x
  3. Step 3: Cross multiply
    191,031.93x = 286,531.38 × 64,669.47
  4. Step 4: Simplify right side
    191,031.93x = 18,529,832,482.97
  5. Step 5: Solve for x
    x = 18,529,832,482.97/191,031.93
  6. Step 6: Final answer
    x = 96,998.61

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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.