Home / 191,585.34-264,387.78-106,702.40

Finding the Fourth Proportional to 191,585.34, 264,387.78 and 106,702.40

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Solution

The fourth proportional to 191,585.34, 264,387.78 and 106,702.40 is: 147,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,585.34 : 264,387.78 = 106,702.40 : x
  2. Step 2: Convert to fraction form
    191,585.34/264,387.78 = 106,702.40/x
  3. Step 3: Cross multiply
    191,585.34x = 264,387.78 × 106,702.40
  4. Step 4: Simplify right side
    191,585.34x = 28,210,810,656.67
  5. Step 5: Solve for x
    x = 28,210,810,656.67/191,585.34
  6. Step 6: Final answer
    x = 147,249.32

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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.