Home / 104,898.16-157,347.38-80,079.11

Finding the Fourth Proportional to 104,898.16, 157,347.38 and 80,079.11

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Solution

The fourth proportional to 104,898.16, 157,347.38 and 80,079.11 is: 120,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,898.16 : 157,347.38 = 80,079.11 : x
  2. Step 2: Convert to fraction form
    104,898.16/157,347.38 = 80,079.11/x
  3. Step 3: Cross multiply
    104,898.16x = 157,347.38 × 80,079.11
  4. Step 4: Simplify right side
    104,898.16x = 12,600,238,151.23
  5. Step 5: Solve for x
    x = 12,600,238,151.23/104,898.16
  6. Step 6: Final answer
    x = 120,118.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.