Home / 191,789.18-264,670.46-105,751.40

Finding the Fourth Proportional to 191,789.18, 264,670.46 and 105,751.40

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Solution

The fourth proportional to 191,789.18, 264,670.46 and 105,751.40 is: 145,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,789.18 : 264,670.46 = 105,751.40 : x
  2. Step 2: Convert to fraction form
    191,789.18/264,670.46 = 105,751.40/x
  3. Step 3: Cross multiply
    191,789.18x = 264,670.46 × 105,751.40
  4. Step 4: Simplify right side
    191,789.18x = 27,989,271,683.64
  5. Step 5: Solve for x
    x = 27,989,271,683.64/191,789.18
  6. Step 6: Final answer
    x = 145,937.70

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1.5x scale

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.