Home / 191,145.46-286,607.49-64,743.34

Finding the Fourth Proportional to 191,145.46, 286,607.49 and 64,743.34

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Solution

The fourth proportional to 191,145.46, 286,607.49 and 64,743.34 is: 97,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,145.46 : 286,607.49 = 64,743.34 : x
  2. Step 2: Convert to fraction form
    191,145.46/286,607.49 = 64,743.34/x
  3. Step 3: Cross multiply
    191,145.46x = 286,607.49 × 64,743.34
  4. Step 4: Simplify right side
    191,145.46x = 18,555,925,212.31
  5. Step 5: Solve for x
    x = 18,555,925,212.31/191,145.46
  6. Step 6: Final answer
    x = 97,077.51

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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.