Home / 176,256.68-243,234.52-100,805.18

Finding the Fourth Proportional to 176,256.68, 243,234.52 and 100,805.18

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Solution

The fourth proportional to 176,256.68, 243,234.52 and 100,805.18 is: 139,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,256.68 : 243,234.52 = 100,805.18 : x
  2. Step 2: Convert to fraction form
    176,256.68/243,234.52 = 100,805.18/x
  3. Step 3: Cross multiply
    176,256.68x = 243,234.52 × 100,805.18
  4. Step 4: Simplify right side
    176,256.68x = 24,519,300,430.91
  5. Step 5: Solve for x
    x = 24,519,300,430.91/176,256.68
  6. Step 6: Final answer
    x = 139,111.32

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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.