Home / 191,319.95-264,385.67-143,490.26

Finding the Fourth Proportional to 191,319.95, 264,385.67 and 143,490.26

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Solution

The fourth proportional to 191,319.95, 264,385.67 and 143,490.26 is: 198,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,319.95 : 264,385.67 = 143,490.26 : x
  2. Step 2: Convert to fraction form
    191,319.95/264,385.67 = 143,490.26/x
  3. Step 3: Cross multiply
    191,319.95x = 264,385.67 × 143,490.26
  4. Step 4: Simplify right side
    191,319.95x = 37,936,768,472.09
  5. Step 5: Solve for x
    x = 37,936,768,472.09/191,319.95
  6. Step 6: Final answer
    x = 198,289.66

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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.