Home / 191,230.64-286,890.24-64,864.16

Finding the Fourth Proportional to 191,230.64, 286,890.24 and 64,864.16

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Solution

The fourth proportional to 191,230.64, 286,890.24 and 64,864.16 is: 97,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,230.64 : 286,890.24 = 64,864.16 : x
  2. Step 2: Convert to fraction form
    191,230.64/286,890.24 = 64,864.16/x
  3. Step 3: Cross multiply
    191,230.64x = 286,890.24 × 64,864.16
  4. Step 4: Simplify right side
    191,230.64x = 18,608,894,429.80
  5. Step 5: Solve for x
    x = 18,608,894,429.80/191,230.64
  6. Step 6: Final answer
    x = 97,311.26

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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.