Home / 191,385.69-264,108.34-119,805.18

Finding the Fourth Proportional to 191,385.69, 264,108.34 and 119,805.18

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Solution

The fourth proportional to 191,385.69, 264,108.34 and 119,805.18 is: 165,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,385.69 : 264,108.34 = 119,805.18 : x
  2. Step 2: Convert to fraction form
    191,385.69/264,108.34 = 119,805.18/x
  3. Step 3: Cross multiply
    191,385.69x = 264,108.34 × 119,805.18
  4. Step 4: Simplify right side
    191,385.69x = 31,641,547,213.20
  5. Step 5: Solve for x
    x = 31,641,547,213.20/191,385.69
  6. Step 6: Final answer
    x = 165,328.70

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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.