Home / 112,550.02-155,366.85-70,129.52

Finding the Fourth Proportional to 112,550.02, 155,366.85 and 70,129.52

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Solution

The fourth proportional to 112,550.02, 155,366.85 and 70,129.52 is: 96,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,550.02 : 155,366.85 = 70,129.52 : x
  2. Step 2: Convert to fraction form
    112,550.02/155,366.85 = 70,129.52/x
  3. Step 3: Cross multiply
    112,550.02x = 155,366.85 × 70,129.52
  4. Step 4: Simplify right side
    112,550.02x = 10,895,802,614.41
  5. Step 5: Solve for x
    x = 10,895,802,614.41/112,550.02
  6. Step 6: Final answer
    x = 96,808.54

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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.